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154663729136 = 2471380926153
BaseRepresentation
bin1001000000001010101…
…1010011011111110000
3112210012210002111112022
42100002223103133300
510013222403313021
6155015044251012
714113466002130
oct2200253233760
9483183074468
10154663729136
115a657708954
1225b846a0a68
131177a850bb7
1476b2d1aac0
1540532601ab
hex2402ad37f0

154663729136 has 20 divisors (see below), whose sum is σ = 342469686192. Its totient is φ = 66284455296.

The previous prime is 154663729091. The next prime is 154663729139. The reversal of 154663729136 is 631927366451.

It is a super-2 number, since 2×1546637291362 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154663729139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690462965 + ... + 690463188.

Almost surely, 2154663729136 is an apocalyptic number.

154663729136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

154663729136 is an abundant number, since it is smaller than the sum of its proper divisors (187805957056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154663729136 is a wasteful number, since it uses less digits than its factorization.

154663729136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380926168 (or 1380926162 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 53.

The spelling of 154663729136 in words is "one hundred fifty-four billion, six hundred sixty-three million, seven hundred twenty-nine thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 1380926153 2761852306 5523704612 9666483071 11047409224 19332966142 22094818448 38665932284 77331864568 154663729136