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147678013 = 72191271249
BaseRepresentation
bin10001100110101…
…10001100111101
3101021212211011001
420303112030331
5300301144023
622353130301
73442146100
oct1063261475
9337784131
10147678013
11763a674a
1241559991
1324798052
1415882737
15ce716ad
hex8cd633d

147678013 has 24 divisors (see below), whose sum is σ = 182400000. Its totient is φ = 118879488.

The previous prime is 147678007. The next prime is 147678019. The reversal of 147678013 is 310876741.

It is an interprime number because it is at equal distance from previous prime (147678007) and next prime (147678019).

It is not a de Polignac number, because 147678013 - 217 = 147546941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147678019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117613 + ... + 118861.

It is an arithmetic number, because the mean of its divisors is an integer number (7600000).

Almost surely, 2147678013 is an apocalyptic number.

It is an amenable number.

147678013 is a deficient number, since it is larger than the sum of its proper divisors (34721987).

147678013 is a wasteful number, since it uses less digits than its factorization.

147678013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 147678013 is about 12152.2842708686. The cubic root of 147678013 is about 528.5733710979.

The spelling of 147678013 in words is "one hundred forty-seven million, six hundred seventy-eight thousand, thirteen".

Divisors: 1 7 19 49 127 133 889 931 1249 2413 6223 8743 16891 23731 61201 118237 158623 166117 1110361 1162819 3013837 7772527 21096859 147678013