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1668711912710 = 25607274911353
BaseRepresentation
bin11000010010000110111…
…110110001010100000110
312220112020101212022021012
4120102012332301110012
5204320010222201320
63314332355322222
7231363144140123
oct30220676612406
95815211768235
101668711912710
1159377340a507
1222b4a82b0372
13c1488546a5b
145aaa220374a
152d618aa94c5
hex18486fb1506

1668711912710 has 16 divisors (see below), whose sum is σ = 3008629858176. Its totient is φ = 666385117248.

The previous prime is 1668711912701. The next prime is 1668711912731. The reversal of 1668711912710 is 172191178661.

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, 137449607 + ... + 137461746.

It is an arithmetic number, because the mean of its divisors is an integer number (188039366136).

Almost surely, 21668711912710 is an apocalyptic number.

1668711912710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1668711912710 is a deficient number, since it is larger than the sum of its proper divisors (1339917945466).

1668711912710 is a wasteful number, since it uses less digits than its factorization.

1668711912710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274911967.

The product of its (nonzero) digits is 254016, while the sum is 50.

The spelling of 1668711912710 in words is "one trillion, six hundred sixty-eight billion, seven hundred eleven million, nine hundred twelve thousand, seven hundred ten".

Divisors: 1 2 5 10 607 1214 3035 6070 274911353 549822706 1374556765 2749113530 166871191271 333742382542 834355956355 1668711912710