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212968592139 = 3185057383609
BaseRepresentation
bin1100011001010111101…
…0101101001100001011
3202100201010222102110210
43012111322231030023
511442124424422024
6241500400012203
721246363110352
oct3062572551413
9670633872423
10212968592139
1182357244446
1235336901063
1317110045134
14a4445d2999
155816c70129
hex3195ead30b

212968592139 has 8 divisors (see below), whose sum is σ = 283960397520. Its totient is φ = 141977924096.

The previous prime is 212968592107. The next prime is 212968592141. The reversal of 212968592139 is 931295869212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212968592139 - 25 = 212968592107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212968592159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363367 + ... + 746975.

It is an arithmetic number, because the mean of its divisors is an integer number (35495049690).

Almost surely, 2212968592139 is an apocalyptic number.

212968592139 is a deficient number, since it is larger than the sum of its proper divisors (70991805381).

212968592139 is a wasteful number, since it uses less digits than its factorization.

212968592139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568669.

The product of its digits is 4199040, while the sum is 57.

The spelling of 212968592139 in words is "two hundred twelve billion, nine hundred sixty-eight million, five hundred ninety-two thousand, one hundred thirty-nine".

Divisors: 1 3 185057 383609 555171 1150827 70989530713 212968592139