Search a number
-
+
86897803272 = 2337618479489
BaseRepresentation
bin101000011101110000…
…0110100000000001000
322022022001112210020020
41100323200310000020
52410431314201042
6103530441300440
76164260066140
oct1207340640010
9268261483206
1086897803272
11339425a9845
1214a11a94720
13826b208407
1442c4cd1920
1523d8d4c3ec
hex143b834008

86897803272 has 64 divisors (see below), whose sum is σ = 252349622400. Its totient is φ = 24420925440.

The previous prime is 86897803199. The next prime is 86897803319. The reversal of 86897803272 is 27230879868.

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, 4229497 + ... + 4249992.

It is an arithmetic number, because the mean of its divisors is an integer number (3942962850).

Almost surely, 286897803272 is an apocalyptic number.

It is an amenable number.

86897803272 is an abundant number, since it is smaller than the sum of its proper divisors (165451819128).

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

86897803272 is a wasteful number, since it uses less digits than its factorization.

86897803272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479566 (or 8479562 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 86897803272 in words is "eighty-six billion, eight hundred ninety-seven million, eight hundred three thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 61 84 122 168 183 244 366 427 488 732 854 1281 1464 1708 2562 3416 5124 10248 8479489 16958978 25438467 33917956 50876934 59356423 67835912 101753868 118712846 178069269 203507736 237425692 356138538 474851384 517248829 712277076 1034497658 1424554152 1551746487 2068995316 3103492974 3620741803 4137990632 6206985948 7241483606 10862225409 12413971896 14482967212 21724450818 28965934424 43448901636 86897803272