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20010910130 = 253164551323
BaseRepresentation
bin10010101000101111…
…100100000110110010
31220122121001120010122
4102220233210012302
5311440243111010
613105355130242
71305613633601
oct225057440662
956577046118
1020010910130
118539700a62
123a65743982
131b6ba27833
14d7b925a38
157c1bc3855
hex4a8be41b2

20010910130 has 16 divisors (see below), whose sum is σ = 37181562624. Its totient is φ = 7746158640.

The previous prime is 20010910111. The next prime is 20010910151. The reversal of 20010910130 is 3101901002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20010910099 and 20010910108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32275352 + ... + 32275971.

It is an arithmetic number, because the mean of its divisors is an integer number (2323847664).

Almost surely, 220010910130 is an apocalyptic number.

20010910130 is a deficient number, since it is larger than the sum of its proper divisors (17170652494).

20010910130 is a wasteful number, since it uses less digits than its factorization.

20010910130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64551361.

The product of its (nonzero) digits is 54, while the sum is 17.

The spelling of 20010910130 in words is "twenty billion, ten million, nine hundred ten thousand, one hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 64551323 129102646 322756615 645513230 2001091013 4002182026 10005455065 20010910130