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20119254744 = 2331441158171
BaseRepresentation
bin10010101111001100…
…110111011011011000
31220221010221001000010
4102233030313123120
5312201012122434
613124225241520
71311400562241
oct225714673330
956833831003
1020119254744
118594881966
123a95a932a0
131b88300584
14d8c089cc8
157cb4759e9
hex4af3376d8

20119254744 has 32 divisors (see below), whose sum is σ = 50302491840. Its totient is φ = 6705837600.

The previous prime is 20119254739. The next prime is 20119254751. The reversal of 20119254744 is 44745291102.

It is a super-2 number, since 2×201192547442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316779 + ... + 374949.

It is an arithmetic number, because the mean of its divisors is an integer number (1571952870).

Almost surely, 220119254744 is an apocalyptic number.

20119254744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20119254744 is an abundant number, since it is smaller than the sum of its proper divisors (30183237096).

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

20119254744 is a wasteful number, since it uses less digits than its factorization.

20119254744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72591 (or 72587 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 20119254744 in words is "twenty billion, one hundred nineteen million, two hundred fifty-four thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 14411 28822 43233 57644 58171 86466 115288 116342 172932 174513 232684 345864 349026 465368 698052 1396104 838302281 1676604562 2514906843 3353209124 5029813686 6706418248 10059627372 20119254744