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13101212132100 = 22325247491630797
BaseRepresentation
bin1011111010100101110100…
…0110000110001100000100
31201101110111222222120011200
42332221131012012030010
53204122240301211400
643510340323502500
72521350151464621
oct276513506061404
951343458876150
1013101212132100
1141a1213778664
121577129527a30
13740592649491
14334160053348
1517abd5006b00
hexbea5d186304

13101212132100 has 216 divisors, whose sum is σ = 42024227027328. Its totient is φ = 3412354041600.

The previous prime is 13101212132051. The next prime is 13101212132117. The reversal of 13101212132100 is 123121210131.

13101212132100 is a `hidden beast` number, since 1 + 310 + 1 + 212 + 132 + 10 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20453902 + ... + 21084698.

It is an arithmetic number, because the mean of its divisors is an integer number (194556606608).

Almost surely, 213101212132100 is an apocalyptic number.

13101212132100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13101212132100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21012113513664).

13101212132100 is an abundant number, since it is smaller than the sum of its proper divisors (28923014895228).

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

13101212132100 is a wasteful number, since it uses less digits than its factorization.

13101212132100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631355 (or 631345 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 13101212132100 its reverse (123121210131), we get a palindrome (13224333342231).

The spelling of 13101212132100 in words is "thirteen trillion, one hundred one billion, two hundred twelve million, one hundred thirty-two thousand, one hundred".