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13322310430 = 25111344920749
BaseRepresentation
bin11000110100001001…
…00101001100011110
31021101110021111020211
430122010211030132
5204241002413210
610041543203034
7651065525122
oct143204451436
937343244224
1013322310430
115717108010
1226b974647a
1313440b1730
149054a9582
1552e8bb38a
hex31a12531e

13322310430 has 64 divisors (see below), whose sum is σ = 28236600000. Its totient is φ = 4461649920.

The previous prime is 13322310413. The next prime is 13322310433. The reversal of 13322310430 is 3401322331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13322310433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 631696 + ... + 652444.

It is an arithmetic number, because the mean of its divisors is an integer number (441196875).

Almost surely, 213322310430 is an apocalyptic number.

13322310430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13322310430 is an abundant number, since it is smaller than the sum of its proper divisors (14914289570).

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

13322310430 is a wasteful number, since it uses less digits than its factorization.

13322310430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21229.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13322310430 its reverse (3401322331), we get a palindrome (16723632761).

The spelling of 13322310430 in words is "thirteen billion, three hundred twenty-two million, three hundred ten thousand, four hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 449 715 898 1430 2245 4490 4939 5837 9878 11674 20749 24695 29185 41498 49390 58370 64207 103745 128414 207490 228239 269737 321035 456478 539474 642070 1141195 1348685 2282390 2697370 2967107 5934214 9316301 14835535 18632602 29671070 46581505 93163010 102479311 121111913 204958622 242223826 512396555 605559565 1024793110 1211119130 1332231043 2664462086 6661155215 13322310430