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897329386272 = 253114120725457
BaseRepresentation
bin11010000111011001111…
…11111101001100100000
310011210011102112211220210
431003230333331030200
5104200212310330042
61524121042534120
7121554441635454
oct15035477751440
93153142484823
10897329386272
11316612055210
12125aa9967340
13668053c11b7
1431606842664
151851cd4da9c
hexd0ecffd320

897329386272 has 96 divisors (see below), whose sum is σ = 2632298969664. Its totient is φ = 265285836800.

The previous prime is 897329386259. The next prime is 897329386277. The reversal of 897329386272 is 272683923798.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (897329386277) 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, 10319433 + ... + 10406024.

It is an arithmetic number, because the mean of its divisors is an integer number (27419780934).

Almost surely, 2897329386272 is an apocalyptic number.

897329386272 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

897329386272 is an abundant number, since it is smaller than the sum of its proper divisors (1734969583392).

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

897329386272 is a wasteful number, since it uses less digits than its factorization.

897329386272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20725522 (or 20725514 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 66.

The spelling of 897329386272 in words is "eight hundred ninety-seven billion, three hundred twenty-nine million, three hundred eighty-six thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 41 44 48 66 82 88 96 123 132 164 176 246 264 328 352 451 492 528 656 902 984 1056 1312 1353 1804 1968 2706 3608 3936 5412 7216 10824 14432 21648 43296 20725457 41450914 62176371 82901828 124352742 165803656 227980027 248705484 331607312 455960054 497410968 663214624 683940081 849743737 911920108 994821936 1367880162 1699487474 1823840216 1989643872 2549231211 2735760324 3398974948 3647680432 5098462422 5471520648 6797949896 7295360864 9347181107 10196924844 10943041296 13595899792 18694362214 20393849688 21886082592 27191799584 28041543321 37388724428 40787699376 56083086642 74777448856 81575398752 112166173284 149554897712 224332346568 299109795424 448664693136 897329386272