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20125575024372 = 223229113362347087
BaseRepresentation
bin1001001001101110110011…
…10000000000111011110100
32122020222121221000200212100
410210313121300000323310
510114214134201234442
6110445321142422100
74145011340066436
oct444673160007364
978228557020770
1020125575024372
11645a232479514
12231057a431930
13b2caab4bc49c
144d8123b8a656
1524d7a44ca84c
hex124dd9c00ef4

20125575024372 has 144 divisors (see below), whose sum is σ = 53108731952640. Its totient is φ = 6417967954944.

The previous prime is 20125575024323. The next prime is 20125575024389. The reversal of 20125575024372 is 27342057552102.

20125575024372 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 5 + 575 + 0 + 2 + 4 + 3 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 427389013 + ... + 427436099.

It is an arithmetic number, because the mean of its divisors is an integer number (368810638560).

Almost surely, 220125575024372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20125575024372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26554365976320).

20125575024372 is an abundant number, since it is smaller than the sum of its proper divisors (32983156928268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20125575024372 is a wasteful number, since it uses less digits than its factorization.

20125575024372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50862 (or 50857 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The spelling of 20125575024372 in words is "twenty trillion, one hundred twenty-five billion, five hundred seventy-five million, twenty-four thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 113 116 174 226 261 339 348 452 522 678 1017 1044 1356 2034 3277 3623 4068 6554 7246 9831 10869 13108 14492 19662 21738 29493 32607 39324 43476 47087 58986 65214 94174 105067 117972 130428 141261 188348 210134 282522 315201 409399 420268 423783 565044 630402 818798 847566 945603 1228197 1260804 1365523 1637596 1695132 1891206 2456394 2731046 3684591 3782412 4096569 4912788 5320831 5462092 7369182 8193138 10641662 11872571 12289707 14738364 15962493 16386276 21283324 23745142 24579414 31924986 35617713 47490284 47887479 49158828 63849972 71235426 95774958 106853139 142470852 154304099 170596201 191549916 213706278 308608198 341192402 427412556 462912297 511788603 617216396 682384804 925824594 1023577206 1388736891 1535365809 1851649188 2047154412 2777473782 3070731618 4947289829 5554947564 6141463236 9894579658 14841869487 19277370713 19789159316 29683738974 38554741426 44525608461 57832112139 59367477948 77109482852 89051216922 115664224278 173496336417 178102433844 231328448556 346992672834 559043750677 693985345668 1118087501354 1677131252031 2236175002708 3354262504062 5031393756093 6708525008124 10062787512186 20125575024372