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13056450100 = 2252130564501
BaseRepresentation
bin11000010100011100…
…11001111000110100
31020200221000101102221
430022032121320310
5203214422400400
65555325012124
7641356665121
oct141216317064
936627011387
1013056450100
1155a0031231
1226446b4044
131300ca7c25
148bc061748
155163a2c1a
hex30a399e34

13056450100 has 18 divisors (see below), whose sum is σ = 28332496934. Its totient is φ = 5222580000.

The previous prime is 13056450061. The next prime is 13056450103. The reversal of 13056450100 is 105465031.

It can be written as a sum of positive squares in 3 ways, for example, as 4585456656 + 8470993444 = 67716^2 + 92038^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056450103) 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, 65282151 + ... + 65282350.

Almost surely, 213056450100 is an apocalyptic number.

13056450100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13056450100 is an abundant number, since it is smaller than the sum of its proper divisors (15276046834).

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

13056450100 is a wasteful number, since it uses less digits than its factorization.

13056450100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130564515 (or 130564508 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 13056450100 in words is "thirteen billion, fifty-six million, four hundred fifty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 130564501 261129002 522258004 652822505 1305645010 2611290020 3264112525 6528225050 13056450100