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87195958885396 = 2231369645334573
BaseRepresentation
bin10011110100110111100100…
…001001111011110000010100
3102102201212000022000210102101
4103310313210021323300110
542412104310433313041
6505241134233051444
724236462101331404
oct2364674411736024
9372655008023371
1087195958885396
1125868664662449
1299431b2256b84
13398670b4c132a
1417764422d4804
15a13278914b31
hex4f4de427bc14

87195958885396 has 12 divisors (see below), whose sum is σ = 153080445393652. Its totient is φ = 43458688772928.

The previous prime is 87195958885369. The next prime is 87195958885421. The reversal of 87195958885396 is 69358885959178.

It can be written as a sum of positive squares in 2 ways, for example, as 5727932756100 + 81468026129296 = 2393310^2 + 9025964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87195958885396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34822666035 + ... + 34822668538.

Almost surely, 287195958885396 is an apocalyptic number.

It is an amenable number.

87195958885396 is a deficient number, since it is larger than the sum of its proper divisors (65884486508256).

87195958885396 is a wasteful number, since it uses less digits than its factorization.

87195958885396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69645334890 (or 69645334888 counting only the distinct ones).

The product of its digits is 47029248000, while the sum is 91.

The spelling of 87195958885396 in words is "eighty-seven trillion, one hundred ninety-five billion, nine hundred fifty-eight million, eight hundred eighty-five thousand, three hundred ninety-six".

Divisors: 1 2 4 313 626 1252 69645334573 139290669146 278581338292 21798989721349 43597979442698 87195958885396