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13989170484 = 22323168318353
BaseRepresentation
bin11010000011101000…
…11100110100110100
31100002221002111021100
431001310130310310
5212122211423414
610232044250100
71003443662412
oct150164346464
940087074240
1013989170484
115a29581923
122864b40930
13141c2b9893
14969c982b2
1556d1e4609
hex341d1cd34

13989170484 has 72 divisors (see below), whose sum is σ = 36557644032. Its totient is φ = 4505783040.

The previous prime is 13989170479. The next prime is 13989170513. The reversal of 13989170484 is 48407198931.

13989170484 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 91 + 70 + 484 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13989170484.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 753052 + ... + 771404.

It is an arithmetic number, because the mean of its divisors is an integer number (507745056).

Almost surely, 213989170484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13989170484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18278822016).

13989170484 is an abundant number, since it is smaller than the sum of its proper divisors (22568473548).

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

13989170484 is a wasteful number, since it uses less digits than its factorization.

13989170484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19077 (or 19072 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 13989170484 in words is "thirteen billion, nine hundred eighty-nine million, one hundred seventy thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 683 1116 1366 2049 2732 4098 6147 8196 12294 18353 21173 24588 36706 42346 55059 63519 73412 84692 110118 127038 165177 190557 220236 254076 330354 381114 568943 660708 762228 1137886 1706829 2275772 3413658 5120487 6827316 10240974 12535099 20481948 25070198 37605297 50140396 75210594 112815891 150421188 225631782 388588069 451263564 777176138 1165764207 1554352276 2331528414 3497292621 4663056828 6994585242 13989170484