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151012151 = 1373109987
BaseRepresentation
bin10010000000001…
…00001100110111
3101112011012201122
421000010030313
5302124342101
622552414155
73512403443
oct1100041467
9345135648
10151012151
1178273734
12426a735b
1325394804
14160ad823
15d3ce51b
hex9004337

151012151 has 4 divisors (see below), whose sum is σ = 151123512. Its totient is φ = 150900792.

The previous prime is 151012117. The next prime is 151012153. The reversal of 151012151 is 151210151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151210151 = 197958429.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-151012151 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 (151012153) 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, 53621 + ... + 56366.

It is an arithmetic number, because the mean of its divisors is an integer number (37780878).

Almost surely, 2151012151 is an apocalyptic number.

151012151 is a deficient number, since it is larger than the sum of its proper divisors (111361).

151012151 is a wasteful number, since it uses less digits than its factorization.

151012151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111360.

The product of its (nonzero) digits is 50, while the sum is 17.

The square root of 151012151 is about 12288.7001346766. The cubic root of 151012151 is about 532.5216854372.

The spelling of 151012151 in words is "one hundred fifty-one million, twelve thousand, one hundred fifty-one".

Divisors: 1 1373 109987 151012151