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101087157 = 333695719
BaseRepresentation
bin1100000011001…
…11011110110101
321001012202111210
412001213132311
5201334242112
614010352033
72335140513
oct601473665
9231182453
10101087157
1152074306
1229a2b619
1317c345b2
14d5d54b3
158d1bb3c
hex60677b5

101087157 has 4 divisors (see below), whose sum is σ = 134782880. Its totient is φ = 67391436.

The previous prime is 101087153. The next prime is 101087183. The reversal of 101087157 is 751780101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 101087157 - 22 = 101087153 is a prime.

It is a super-2 number, since 2×1010871572 = 20437226620685298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101087153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16847857 + ... + 16847862.

It is an arithmetic number, because the mean of its divisors is an integer number (33695720).

Almost surely, 2101087157 is an apocalyptic number.

It is an amenable number.

101087157 is a deficient number, since it is larger than the sum of its proper divisors (33695723).

101087157 is an equidigital number, since it uses as much as digits as its factorization.

101087157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33695722.

The product of its (nonzero) digits is 1960, while the sum is 30.

The square root of 101087157 is about 10054.2109088680. The cubic root of 101087157 is about 465.8348696848.

The spelling of 101087157 in words is "one hundred one million, eighty-seven thousand, one hundred fifty-seven".

Divisors: 1 3 33695719 101087157