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648132872152 = 23149543735631
BaseRepresentation
bin10010110111001111011…
…10101100011111011000
32021221221111100022012211
421123213232230133120
541104334003402102
61213425332444504
764553223341233
oct11334756543730
92257844308184
10648132872152
1122a965122887
12a5742479734
1349170935a4c
1423526a2641a
1511cd58497d7
hex96e7bac7d8

648132872152 has 16 divisors (see below), whose sum is σ = 1223405172000. Its totient is φ = 321891492960.

The previous prime is 648132872143. The next prime is 648132872159. The reversal of 648132872152 is 251278231846.

It is a super-2 number, since 2×6481328721522 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 648132872096 and 648132872105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648132872159) 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, 271866624 + ... + 271869007.

It is an arithmetic number, because the mean of its divisors is an integer number (76462823250).

Almost surely, 2648132872152 is an apocalyptic number.

It is an amenable number.

648132872152 is a deficient number, since it is larger than the sum of its proper divisors (575272299848).

648132872152 is a wasteful number, since it uses less digits than its factorization.

648132872152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543735786 (or 543735782 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The spelling of 648132872152 in words is "six hundred forty-eight billion, one hundred thirty-two million, eight hundred seventy-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 149 298 596 1192 543735631 1087471262 2174942524 4349885048 81016609019 162033218038 324066436076 648132872152