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121007023310051 = 19122934651149551
BaseRepresentation
bin11011100000111000100100…
…101000111100010011100011
3120212110011021111210120120222
4123200320210220330103203
5111330034340431410201
61105205505321153255
734326316562115614
oct3340704450742343
9525404244716528
10121007023310051
113561387701497a
12116a3b7b32b82b
135269bb47a0378
1421c4ab217dc0b
15deca0c78c91b
hex6e0e24a3c4e3

121007023310051 has 16 divisors (see below), whose sum is σ = 127483987238400. Its totient is φ = 114540883380000.

The previous prime is 121007023310023. The next prime is 121007023310093. The reversal of 121007023310051 is 150013320700121.

It is a cyclic number.

It is not a de Polignac number, because 121007023310051 - 218 = 121007023047907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121007023310051.

It is not an unprimeable number, because it can be changed into a prime (121007023310851) 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, 809060726 + ... + 809210276.

It is an arithmetic number, because the mean of its divisors is an integer number (7967749202400).

Almost surely, 2121007023310051 is an apocalyptic number.

121007023310051 is a deficient number, since it is larger than the sum of its proper divisors (6476963928349).

121007023310051 is a wasteful number, since it uses less digits than its factorization.

121007023310051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185450.

The product of its (nonzero) digits is 1260, while the sum is 26.

The spelling of 121007023310051 in words is "one hundred twenty-one trillion, seven billion, twenty-three million, three hundred ten thousand, fifty-one".

Divisors: 1 19 1229 23351 34651 149551 658369 2841469 42586079 183798179 809135501 3492165401 5182091701 98459742319 6368790700529 121007023310051