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87055080350552 = 2313399812141581
BaseRepresentation
bin10011110010110100010111…
…001000111110001101011000
3102102020101101020012201102122
4103302310113020332031120
542402302301032204202
6505052315105120412
724223344021464126
oct2362642710761530
9372211336181378
1087055080350552
1125813941378056
12991ba36329108
13397634990cc42
14176d6ba136916
15a0e780a069a2
hex4f2d1723e358

87055080350552 has 16 divisors (see below), whose sum is σ = 163240457982000. Its totient is φ = 43524291555360.

The previous prime is 87055080350551. The next prime is 87055080350587. The reversal of 87055080350552 is 25505308055078.

It is a junction number, because it is equal to n+sod(n) for n = 87055080350494 and 87055080350503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87055080350551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405963599 + ... + 406177982.

It is an arithmetic number, because the mean of its divisors is an integer number (10202528623875).

Almost surely, 287055080350552 is an apocalyptic number.

It is an amenable number.

87055080350552 is a deficient number, since it is larger than the sum of its proper divisors (76185377631448).

87055080350552 is a wasteful number, since it uses less digits than its factorization.

87055080350552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812154986 (or 812154982 counting only the distinct ones).

The product of its (nonzero) digits is 8400000, while the sum is 53.

The spelling of 87055080350552 in words is "eighty-seven trillion, fifty-five billion, eighty million, three hundred fifty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 13399 26798 53596 107192 812141581 1624283162 3248566324 6497132648 10881885043819 21763770087638 43527540175276 87055080350552