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47148925136 = 242946807821
BaseRepresentation
bin101011111010010010…
…111000000011010000
311111200220000120011112
4223322102320003100
51233030111101021
633354313032452
73256252152065
oct537222700320
9144626016145
1047148925136
1118aa5380335
12917a0b5728
1345a519c091
1423d3c12c6c
15135e41bd5b
hexafa4b80d0

47148925136 has 10 divisors (see below), whose sum is σ = 91351042482. Its totient is φ = 23574462560.

The previous prime is 47148925127. The next prime is 47148925177. The reversal of 47148925136 is 63152984174.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44708565136 + 2440360000 = 211444^2 + 49400^2 .

It is a super-2 number, since 2×471489251362 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473403895 + ... + 1473403926.

Almost surely, 247148925136 is an apocalyptic number.

It is an amenable number.

47148925136 is a deficient number, since it is larger than the sum of its proper divisors (44202117346).

47148925136 is a wasteful number, since it uses less digits than its factorization.

47148925136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946807829 (or 2946807823 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The spelling of 47148925136 in words is "forty-seven billion, one hundred forty-eight million, nine hundred twenty-five thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 2946807821 5893615642 11787231284 23574462568 47148925136