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72150436429 = 198942667319
BaseRepresentation
bin100001100110010000…
…0000100101001001101
320220020021202221002021
41003030200010221031
52140231002431204
653051230130141
75132645406421
oct1031440045115
9226207687067
1072150436429
1128665049865
1211b97050951
136a5ab14446
1436c6470b81
151d242dc154
hex10cc804a4d

72150436429 has 8 divisors (see below), whose sum is σ = 76801176000. Its totient is φ = 67585031712.

The previous prime is 72150436387. The next prime is 72150436453. The reversal of 72150436429 is 92463405127.

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 72150436429 - 235 = 37790698061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72150436829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21331969 + ... + 21335350.

It is an arithmetic number, because the mean of its divisors is an integer number (9600147000).

Almost surely, 272150436429 is an apocalyptic number.

It is an amenable number.

72150436429 is a deficient number, since it is larger than the sum of its proper divisors (4650739571).

72150436429 is a wasteful number, since it uses less digits than its factorization.

72150436429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42667427.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 72150436429 in words is "seventy-two billion, one hundred fifty million, four hundred thirty-six thousand, four hundred twenty-nine".

Divisors: 1 19 89 1691 42667319 810679061 3797391391 72150436429