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20714419872 = 253323975023
BaseRepresentation
bin10011010010101011…
…001111011010100000
31222110121211120002000
4103102223033122200
5314410342413442
613303245524000
71332215443446
oct232253173240
958417746060
1020714419872
11886a828273
124021273600
131c516c55a3
141007134b96
1581383ad4c
hex4d2acf6a0

20714419872 has 48 divisors (see below), whose sum is σ = 60417060480. Its totient is φ = 6904806336.

The previous prime is 20714419867. The next prime is 20714419897. The reversal of 20714419872 is 27891441702.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11986648 + ... + 11988375.

It is an arithmetic number, because the mean of its divisors is an integer number (1258688760).

Almost surely, 220714419872 is an apocalyptic number.

It is an amenable number.

20714419872 is an abundant number, since it is smaller than the sum of its proper divisors (39702640608).

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

20714419872 is a wasteful number, since it uses less digits than its factorization.

20714419872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23975042 (or 23975028 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 20714419872 in words is "twenty billion, seven hundred fourteen million, four hundred nineteen thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 23975023 47950046 71925069 95900092 143850138 191800184 215775207 287700276 383600368 431550414 575400552 647325621 767200736 863100828 1150801104 1294651242 1726201656 2301602208 2589302484 3452403312 5178604968 6904806624 10357209936 20714419872