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13418928088 = 232331109113191
BaseRepresentation
bin11000111111101010…
…01001011111011000
31021122012002011202121
430133311021133120
5204440221144323
610055314111024
7653351002216
oct143765113730
937565064677
1013418928088
1157666a9315
122725b7b474
13135b10c847
14914259cb6
15538103a5d
hex31fd497d8

13418928088 has 128 divisors (see below), whose sum is σ = 27736473600. Its totient is φ = 6067353600.

The previous prime is 13418928073. The next prime is 13418928113. The reversal of 13418928088 is 88082981431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70256073 + ... + 70256263.

It is an arithmetic number, because the mean of its divisors is an integer number (216691200).

Almost surely, 213418928088 is an apocalyptic number.

It is an amenable number.

13418928088 is an abundant number, since it is smaller than the sum of its proper divisors (14317545512).

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

13418928088 is a wasteful number, since it uses less digits than its factorization.

13418928088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 52.

The spelling of 13418928088 in words is "thirteen billion, four hundred eighteen million, nine hundred twenty-eight thousand, eighty-eight".

Divisors: 1 2 4 8 23 31 46 62 92 109 113 124 184 191 218 226 248 382 436 452 713 764 872 904 1426 1528 2507 2599 2852 3379 3503 4393 5014 5198 5704 5921 6758 7006 8786 10028 10396 11842 12317 13516 14012 17572 20056 20792 20819 21583 23684 24634 27032 28024 35144 41638 43166 47368 49268 77717 80569 83276 86332 98536 136183 155434 161138 166552 172664 272366 283291 310868 322276 381827 478837 496409 544732 566582 621736 644552 645389 669073 763654 957674 992818 1089464 1133164 1290778 1338146 1527308 1915348 1985636 2266328 2352547 2581556 2676292 3054616 3830696 3971272 4705094 5163112 5352584 8782021 9410188 14843947 15388679 17564042 18820376 29687894 30777358 35128084 54108581 59375788 61554716 70256168 72928957 108217162 118751576 123109432 145857914 216434324 291715828 432868648 583431656 1677366011 3354732022 6709464044 13418928088