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20485132096 = 2611132238323
BaseRepresentation
bin10011000101000000…
…100100111101000000
31221212122101112101011
4103011000210331000
5313423143211341
613224415250304
71323432515122
oct230500447500
957778345334
1020485132096
118762360a40
123b78519994
131c16055550
14dc48cb212
157ed648b81
hex4c5024f40

20485132096 has 56 divisors (see below), whose sum is σ = 47756880864. Its totient is φ = 8595156480.

The previous prime is 20485132081. The next prime is 20485132097. The reversal of 20485132096 is 69023158402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20485132097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110010 + ... + 1128313.

It is an arithmetic number, because the mean of its divisors is an integer number (852801444).

Almost surely, 220485132096 is an apocalyptic number.

20485132096 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20485132096 is an abundant number, since it is smaller than the sum of its proper divisors (27271748768).

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

20485132096 is a wasteful number, since it uses less digits than its factorization.

20485132096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238359 (or 2238349 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 20485132096 in words is "twenty billion, four hundred eighty-five million, one hundred thirty-two thousand, ninety-six".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 143 176 208 286 352 416 572 704 832 1144 2288 4576 9152 2238323 4476646 8953292 17906584 24621553 29098199 35813168 49243106 58196398 71626336 98486212 116392796 143252672 196972424 232785592 320080189 393944848 465571184 640160378 787889696 931142368 1280320756 1575779392 1862284736 2560641512 5121283024 10242566048 20485132096