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86897488492 = 22592521146057
BaseRepresentation
bin101000011101101111…
…1100111001001101100
322022022000221210102201
41100323133213021230
52410431224112432
6103530430431244
76164254315333
oct1207337471154
9268260853381
1086897488492
11339424042a1
1214a11962524
13826b128059
1442c4c4cd1a
1523d8cd8ee7
hex143b7e726c

86897488492 has 24 divisors (see below), whose sum is σ = 154710475920. Its totient is φ = 42695089920.

The previous prime is 86897488423. The next prime is 86897488501. The reversal of 86897488492 is 29488479868.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521928 + ... + 667984.

It is an arithmetic number, because the mean of its divisors is an integer number (6446269830).

Almost surely, 286897488492 is an apocalyptic number.

It is an amenable number.

86897488492 is a deficient number, since it is larger than the sum of its proper divisors (67812987428).

86897488492 is a wasteful number, since it uses less digits than its factorization.

86897488492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148641 (or 148639 counting only the distinct ones).

The product of its digits is 445906944, while the sum is 73.

The spelling of 86897488492 in words is "eighty-six billion, eight hundred ninety-seven million, four hundred eighty-eight thousand, four hundred ninety-two".

Divisors: 1 2 4 59 118 236 2521 5042 10084 146057 148739 292114 297478 584228 594956 8617363 17234726 34469452 368209697 736419394 1472838788 21724372123 43448744246 86897488492