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10302313020 = 2235171705217
BaseRepresentation
bin10011001100001000…
…01101001000111100
3222120222121201121220
421212010031020330
5132044343004040
64422142153340
7513205134006
oct114604151074
928528551556
1010302313020
11440742928a
121bb6282850
13c8251800c
146da379376
154046c72d0
hex26610d23c

10302313020 has 24 divisors (see below), whose sum is σ = 28846476624. Its totient is φ = 2747283456.

The previous prime is 10302312971. The next prime is 10302313027. The reversal of 10302313020 is 2031320301.

It is a super-2 number, since 2×103023130202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302313027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85852549 + ... + 85852668.

It is an arithmetic number, because the mean of its divisors is an integer number (1201936526).

Almost surely, 210302313020 is an apocalyptic number.

10302313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10302313020 is an abundant number, since it is smaller than the sum of its proper divisors (18544163604).

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

10302313020 is a wasteful number, since it uses less digits than its factorization.

10302313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171705229 (or 171705227 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 10302313020 its reverse (2031320301), we get a palindrome (12333633321).

The spelling of 10302313020 in words is "ten billion, three hundred two million, three hundred thirteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 171705217 343410434 515115651 686820868 858526085 1030231302 1717052170 2060462604 2575578255 3434104340 5151156510 10302313020