Search a number
-
+
87200259106054 = 21911957711660261
BaseRepresentation
bin10011110100111011100100…
…011101111110010100000110
3102102202021002222122122012011
4103310323210131332110012
542412142112312343204
6505243125045444434
724240003465524023
oct2364734435762406
9372667088578164
1087200259106054
112586a470a60916
129943bb241071a
133986c4538a0b3
14177672d47854a
15a1342b1de304
hex4f4ee477e506

87200259106054 has 16 divisors (see below), whose sum is σ = 131491935035136. Its totient is φ = 43369637454400.

The previous prime is 87200259106013. The next prime is 87200259106069. The reversal of 87200259106054 is 45060195200278.

It is a junction number, because it is equal to n+sod(n) for n = 87200259105989 and 87200259106007.

It is a congruent number.

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, 1648284 + ... + 13308544.

It is an arithmetic number, because the mean of its divisors is an integer number (8218245939696).

Almost surely, 287200259106054 is an apocalyptic number.

87200259106054 is a deficient number, since it is larger than the sum of its proper divisors (44291675929082).

87200259106054 is a wasteful number, since it uses less digits than its factorization.

87200259106054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11680031.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 87200259106054 in words is "eighty-seven trillion, two hundred billion, two hundred fifty-nine million, one hundred six thousand, fifty-four".

Divisors: 1 2 191 382 19577 39154 3739207 7478414 11660261 23320522 2227109851 4454219702 228272929597 456545859194 43600129553027 87200259106054