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151134021 = 3231541699
BaseRepresentation
bin10010000001000…
…01111101000101
3101112101101220100
421000201331011
5302142242041
622555154313
73513421653
oct1100417505
9345341810
10151134021
1178347255
1242745999
132540811c
1416101dd3
15d4056b6
hex9021f45

151134021 has 12 divisors (see below), whose sum is σ = 225347200. Its totient is φ = 97505640.

The previous prime is 151134019. The next prime is 151134023. The reversal of 151134021 is 120431151.

It is an interprime number because it is at equal distance from previous prime (151134019) and next prime (151134023).

It is not a de Polignac number, because 151134021 - 21 = 151134019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151133985 and 151134003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151134023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270571 + ... + 271128.

Almost surely, 2151134021 is an apocalyptic number.

It is an amenable number.

151134021 is a deficient number, since it is larger than the sum of its proper divisors (74213179).

151134021 is a wasteful number, since it uses less digits than its factorization.

151134021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541736 (or 541733 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 151134021 is about 12293.6577551191. The cubic root of 151134021 is about 532.6648990066.

Adding to 151134021 its reverse (120431151), we get a palindrome (271565172).

The spelling of 151134021 in words is "one hundred fifty-one million, one hundred thirty-four thousand, twenty-one".

Divisors: 1 3 9 31 93 279 541699 1625097 4875291 16792669 50378007 151134021