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104451438100 = 22521044514381
BaseRepresentation
bin110000101000111001…
…0100111011000010100
3100222121101210211100111
41201101302213120110
53202404032004400
6115552340452404
710355255401102
oct1412162473024
9328541724314
10104451438100
1140330128469
12182b06aa104
139b07b12599
1450ac328c72
152ab4e343ba
hex1851ca7614

104451438100 has 18 divisors (see below), whose sum is σ = 226659620894. Its totient is φ = 41780575200.

The previous prime is 104451438089. The next prime is 104451438101. The reversal of 104451438100 is 1834154401.

It can be written as a sum of positive squares in 3 ways, for example, as 35856144 + 104415581956 = 5988^2 + 323134^2 .

It is a super-2 number, since 2×1044514381002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104451438101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 522257091 + ... + 522257290.

Almost surely, 2104451438100 is an apocalyptic number.

104451438100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104451438100 is an abundant number, since it is smaller than the sum of its proper divisors (122208182794).

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

104451438100 is a wasteful number, since it uses less digits than its factorization.

104451438100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044514395 (or 1044514388 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 104451438100 in words is "one hundred four billion, four hundred fifty-one million, four hundred thirty-eight thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1044514381 2089028762 4178057524 5222571905 10445143810 20890287620 26112859525 52225719050 104451438100