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1315402421104 = 242973229169583
BaseRepresentation
bin10011001001000100000…
…110000001001101110000
311122202021122201111220001
4103021010012001031300
5133022421004433404
62444142034555344
7164014620045232
oct23110406011560
94582248644801
101315402421104
1146794a413132
12192b25738b54
1397071121a95
1447947004252
152433b22a7a4
hex13244181370

1315402421104 has 80 divisors (see below), whose sum is σ = 2684277302400. Its totient is φ = 623584217088.

The previous prime is 1315402421101. The next prime is 1315402421111. The reversal of 1315402421104 is 4011242045131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315402421101) 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, 7671897 + ... + 7841479.

It is an arithmetic number, because the mean of its divisors is an integer number (33553466280).

Almost surely, 21315402421104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315402421104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342138651200).

1315402421104 is an abundant number, since it is smaller than the sum of its proper divisors (1368874881296).

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

1315402421104 is a wasteful number, since it uses less digits than its factorization.

1315402421104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169922 (or 169916 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1315402421104 its reverse (4011242045131), we get a palindrome (5326644466235).

The spelling of 1315402421104 in words is "one trillion, three hundred fifteen billion, four hundred two million, four hundred twenty-one thousand, one hundred four".

Divisors: 1 2 4 8 16 29 58 73 116 146 229 232 292 458 464 584 916 1168 1832 2117 3664 4234 6641 8468 13282 16717 16936 26564 33434 33872 53128 66868 106256 133736 169583 267472 339166 484793 678332 969586 1356664 1939172 2713328 3878344 4917907 7756688 9835814 12379559 19671628 24759118 38834507 39343256 49518236 77669014 78686512 99036472 155338028 198072944 310676056 359007211 621352112 718014422 1126200703 1436028844 2252401406 2834919011 2872057688 4504802812 5669838022 5744115376 9009605624 11339676044 18019211248 22679352088 45358704176 82212651319 164425302638 328850605276 657701210552 1315402421104