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1396558188930 = 235331140640301
BaseRepresentation
bin10100010100101001010…
…110101101000110000010
311221111202112121200021210
4110110221112231012002
5140340122344021210
62545323040430550
7202620004512312
oct24245126550602
94844675550253
101396558188930
11499305764733
121a67b4618456
13a1905832088
144b845477442
15264dade8e20
hex145295ad182

1396558188930 has 32 divisors (see below), whose sum is σ = 3361865779008. Its totient is φ = 371290392000.

The previous prime is 1396558188923. The next prime is 1396558188997. The reversal of 1396558188930 is 398818556931.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70310221 + ... + 70330080.

It is an arithmetic number, because the mean of its divisors is an integer number (105058305594).

Almost surely, 21396558188930 is an apocalyptic number.

1396558188930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1396558188930 is an abundant number, since it is smaller than the sum of its proper divisors (1965307590078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1396558188930 is a wasteful number, since it uses less digits than its factorization.

1396558188930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140640642.

The product of its (nonzero) digits is 55987200, while the sum is 66.

The spelling of 1396558188930 in words is "one trillion, three hundred ninety-six billion, five hundred fifty-eight million, one hundred eighty-eight thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 331 662 993 1655 1986 3310 4965 9930 140640301 281280602 421920903 703201505 843841806 1406403010 2109604515 4219209030 46551939631 93103879262 139655818893 232759698155 279311637786 465519396310 698279094465 1396558188930