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34310402120 = 235857760053
BaseRepresentation
bin11111111101000011…
…110011000001001000
310021120011002000111002
4133331003303001020
51030231430331440
623432330554132
72323146414611
oct377503630110
9107504060432
1034310402120
1113607366a35
126796598948
13330a3b71b7
141936abcc08
15d5c265115
hex7fd0f3048

34310402120 has 16 divisors (see below), whose sum is σ = 77198404860. Its totient is φ = 13724160832.

The previous prime is 34310402117. The next prime is 34310402123. The reversal of 34310402120 is 2120401343.

It is an interprime number because it is at equal distance from previous prime (34310402117) and next prime (34310402123).

It can be written as a sum of positive squares in 2 ways, for example, as 31003462084 + 3306940036 = 176078^2 + 57506^2 .

It is a super-2 number, since 2×343104021202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 34310402092 and 34310402101.

It is not an unprimeable number, because it can be changed into a prime (34310402123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428879987 + ... + 428880066.

Almost surely, 234310402120 is an apocalyptic number.

It is an amenable number.

34310402120 is an abundant number, since it is smaller than the sum of its proper divisors (42888002740).

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

34310402120 is a wasteful number, since it uses less digits than its factorization.

34310402120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857760064 (or 857760060 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 34310402120 its reverse (2120401343), we get a palindrome (36430803463).

The spelling of 34310402120 in words is "thirty-four billion, three hundred ten million, four hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 857760053 1715520106 3431040212 4288800265 6862080424 8577600530 17155201060 34310402120