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13602145144 = 2371953241207
BaseRepresentation
bin11001010101100000…
…00100001101111000
31022002221211120022111
430222300010031320
5210324122121034
610125421102104
7661034216560
oct145260041570
938087746274
1013602145144
115850068a75
1227773b7934
13138a06bac3
1493070dda0
15549245364
hex32ac04378

13602145144 has 64 divisors (see below), whose sum is σ = 31260556800. Its totient is φ = 5418451584.

The previous prime is 13602145103. The next prime is 13602145159. The reversal of 13602145144 is 44154120631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64212 + ... + 176995.

It is an arithmetic number, because the mean of its divisors is an integer number (488446200).

Almost surely, 213602145144 is an apocalyptic number.

13602145144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13602145144 is an abundant number, since it is smaller than the sum of its proper divisors (17658411656).

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

13602145144 is a wasteful number, since it uses less digits than its factorization.

13602145144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241292 (or 241288 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 13602145144 its reverse (44154120631), we get a palindrome (57756265775).

The spelling of 13602145144 in words is "thirteen billion, six hundred two million, one hundred forty-five thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 19 28 38 53 56 76 106 133 152 212 266 371 424 532 742 1007 1064 1484 2014 2968 4028 7049 8056 14098 28196 56392 241207 482414 964828 1688449 1929656 3376898 4582933 6753796 9165866 12783971 13507592 18331732 25567942 32080531 36663464 51135884 64161062 89487797 102271768 128322124 178975594 242895449 256644248 357951188 485790898 715902376 971581796 1700268143 1943163592 3400536286 6801072572 13602145144