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188072154415142 = 2223421686444877
BaseRepresentation
bin101010110000110011110101…
…111101001100000000100110
3220122220112002210211000121222
4222300303311331030000212
5144122333233012241032
61503555053250540342
754420523211562404
oct5260636575140046
9818815083730558
10188072154415142
1154a1aa531555a8
1219115787b976b2
1380c31884776ca
143462a52c30474
1516b22c5994a12
hexab0cf5f4c026

188072154415142 has 8 divisors (see below), whose sum is σ = 283373290958016. Its totient is φ = 93614390762472.

The previous prime is 188072154415069. The next prime is 188072154415183. The reversal of 188072154415142 is 241514451270881.

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

It is a super-2 number, since 2×1880721544151422 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210843221993 + ... + 210843222884.

It is an arithmetic number, because the mean of its divisors is an integer number (35421661369752).

Almost surely, 2188072154415142 is an apocalyptic number.

188072154415142 is a deficient number, since it is larger than the sum of its proper divisors (95301136542874).

188072154415142 is a wasteful number, since it uses less digits than its factorization.

188072154415142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421686445102.

The product of its (nonzero) digits is 2867200, while the sum is 53.

The spelling of 188072154415142 in words is "one hundred eighty-eight trillion, seventy-two billion, one hundred fifty-four million, four hundred fifteen thousand, one hundred forty-two".

Divisors: 1 2 223 446 421686444877 843372889754 94036077207571 188072154415142