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102415402045443 = 3248211375386461
BaseRepresentation
bin10111010010010101110001…
…101010001001000000000011
3111102121211001110101201121010
4113102111301222021000003
5101410433220410423233
61001452553003132003
730400161064602024
oct2722256152110003
9442554043351533
10102415402045443
112a6a6145544033
12b5a095ab14003
13451b966c40cb6
141b40d09222c4b
15bc90d6424b63
hex5d2571a89003

102415402045443 has 8 divisors (see below), whose sum is σ = 136559371039056. Its totient is φ = 68274183874400.

The previous prime is 102415402045433. The next prime is 102415402045447. The reversal of 102415402045443 is 344540204514201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102415402045443 - 26 = 102415402045379 is a prime.

It is a super-2 number, since 2×1024154020454432 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102415402045447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687618768 + ... + 687767693.

It is an arithmetic number, because the mean of its divisors is an integer number (17069921379882).

Almost surely, 2102415402045443 is an apocalyptic number.

102415402045443 is a deficient number, since it is larger than the sum of its proper divisors (34143968993613).

102415402045443 is a wasteful number, since it uses less digits than its factorization.

102415402045443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375411285.

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 102415402045443 its reverse (344540204514201), we get a palindrome (446955606559644).

The spelling of 102415402045443 in words is "one hundred two trillion, four hundred fifteen billion, four hundred two million, forty-five thousand, four hundred forty-three".

Divisors: 1 3 24821 74463 1375386461 4126159383 34138467348481 102415402045443