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113020100420 = 2255651005021
BaseRepresentation
bin110100101000010000…
…1011101111101000100
3101210201120020222022012
41221100201131331010
53322431121203140
6123530512553352
711110513000643
oct1512041357504
9353646228265
10113020100420
1143a2799a277
1219aa2252858
13a8720cb486
14568233d35a
152e1730c265
hex1a5085df44

113020100420 has 12 divisors (see below), whose sum is σ = 237342210924. Its totient is φ = 45208040160.

The previous prime is 113020100381. The next prime is 113020100467. The reversal of 113020100420 is 24001020311.

It can be written as a sum of positive squares in 2 ways, for example, as 75138484996 + 37881615424 = 274114^2 + 194632^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113020100395 and 113020100404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2825502491 + ... + 2825502530.

It is an arithmetic number, because the mean of its divisors is an integer number (19778517577).

Almost surely, 2113020100420 is an apocalyptic number.

113020100420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113020100420 is an abundant number, since it is smaller than the sum of its proper divisors (124322110504).

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

113020100420 is a wasteful number, since it uses less digits than its factorization.

113020100420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5651005030 (or 5651005028 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 113020100420 its reverse (24001020311), we get a palindrome (137021120731).

The spelling of 113020100420 in words is "one hundred thirteen billion, twenty million, one hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 5651005021 11302010042 22604020084 28255025105 56510050210 113020100420