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87055894010 = 2523544969463
BaseRepresentation
bin101000100010011101…
…1111000010111111010
322022201002000121221202
41101010323320113322
52411242302102020
6103554245534202
76201216614111
oct1210473702772
9268632017852
1087055894010
1133a13867748
1214a56a14362
138294baab27
1442dbcc4c78
1523e7b78e75
hex1444ef85fa

87055894010 has 32 divisors (see below), whose sum is σ = 163546041600. Its totient is φ = 33301749888.

The previous prime is 87055894001. The next prime is 87055894039. The reversal of 87055894010 is 1049855078.

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, 1218539 + ... + 1288001.

It is an arithmetic number, because the mean of its divisors is an integer number (5110813800).

Almost surely, 287055894010 is an apocalyptic number.

87055894010 is a deficient number, since it is larger than the sum of its proper divisors (76490147590).

87055894010 is a wasteful number, since it uses less digits than its factorization.

87055894010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74942.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 87055894010 in words is "eighty-seven billion, fifty-five million, eight hundred ninety-four thousand, ten".

Divisors: 1 2 5 10 23 46 115 230 5449 10898 27245 54490 69463 125327 138926 250654 347315 626635 694630 1253270 1597649 3195298 7988245 15976490 378503887 757007774 1892519435 3785038870 8705589401 17411178802 43527947005 87055894010