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10302323240 = 2351123414371
BaseRepresentation
bin10011001100001000…
…01111101000101000
3222120222122020122102
421212010033220220
5132044343320430
64422142312532
7513205205546
oct114604175050
928528566572
1010302323240
114407435a30
121bb6288748
13c8251c871
146da37cd96
154046ca345
hex26610fa28

10302323240 has 32 divisors (see below), whose sum is σ = 25287521760. Its totient is φ = 3746299200.

The previous prime is 10302323237. The next prime is 10302323261. The reversal of 10302323240 is 4232320301.

It is a super-2 number, since 2×103023232402 (a number of 21 digits) contains 22 as substring.

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

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, 11706746 + ... + 11707625.

It is an arithmetic number, because the mean of its divisors is an integer number (790235055).

Almost surely, 210302323240 is an apocalyptic number.

10302323240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10302323240 is an abundant number, since it is smaller than the sum of its proper divisors (14985198520).

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

10302323240 is a wasteful number, since it uses less digits than its factorization.

10302323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23414393 (or 23414389 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 10302323240 its reverse (4232320301), we get a palindrome (14534643541).

The spelling of 10302323240 in words is "ten billion, three hundred two million, three hundred twenty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 23414371 46828742 93657484 117071855 187314968 234143710 257558081 468287420 515116162 936574840 1030232324 1287790405 2060464648 2575580810 5151161620 10302323240