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20025636265712 = 2471117041953851
BaseRepresentation
bin1001000110110100101001…
…11011111001111011110000
32121220102200000121201221102
410203122110323321323300
510111100000341000322
6110331352244143532
74134542635465220
oct443322473717360
977812600551842
1020025636265712
1164209086719a0
1222b5129097ba8
13b235425a2a2c
144d3362d0c080
1524ada583b792
hex123694ef9ef0

20025636265712 has 80 divisors (see below), whose sum is σ = 48376504253184. Its totient is φ = 7801729920000.

The previous prime is 20025636265711. The next prime is 20025636265721. The reversal of 20025636265712 is 21756263652002.

It is a super-2 number, since 2×200256362657122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025636265711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20517587 + ... + 21471437.

Almost surely, 220025636265712 is an apocalyptic number.

20025636265712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20025636265712 is an abundant number, since it is smaller than the sum of its proper divisors (28350867987472).

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

20025636265712 is a wasteful number, since it uses less digits than its factorization.

20025636265712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970918 (or 970912 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 20025636265712 in words is "twenty trillion, twenty-five billion, six hundred thirty-six million, two hundred sixty-five thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 308 616 1232 17041 34082 68164 119287 136328 187451 238574 272656 374902 477148 749804 953851 954296 1312157 1499608 1907702 1908592 2624314 2999216 3815404 5248628 6676957 7630808 10492361 10497256 13353914 15261616 20984722 20994512 26707828 41969444 53415656 73446527 83938888 106831312 146893054 167877776 293786108 587572216 1175144432 16254574891 32509149782 65018299564 113782024237 130036599128 178800323801 227564048474 260073198256 357600647602 455128096948 715201295204 910256193896 1251602266607 1430402590408 1820512387792 2503204533214 2860805180816 5006409066428 10012818132856 20025636265712