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30431885147136 = 210321117101359487
BaseRepresentation
bin1101110101101011110011…
…01101000011110000000000
310222202021000101210102120100
412322311321231003300000
512442044000044202021
6144420114240442400
76260426324514654
oct672657155036000
9128667011712510
1030431885147136
1197730a9898420
1234b5aa0919400
1313c9939875855
14772ca80b6a64
1537b90aa73626
hex1bad79b43c00

30431885147136 has 1056 divisors, whose sum is σ = 103000051215360. Its totient is φ = 8551858176000.

The previous prime is 30431885147107. The next prime is 30431885147137. The reversal of 30431885147136 is 63174158813403.

30431885147136 is a `hidden beast` number, since 3 + 0 + 4 + 31 + 88 + 514 + 7 + 13 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (1056).

It is a super-3 number, since 3×304318851471363 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30431885147137) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62488470285 + ... + 62488470771.

Almost surely, 230431885147136 is an apocalyptic number.

30431885147136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30431885147136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51500025607680).

30431885147136 is an abundant number, since it is smaller than the sum of its proper divisors (72568166068224).

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

30431885147136 is a wasteful number, since it uses less digits than its factorization.

30431885147136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 30431885147136 in words is "thirty trillion, four hundred thirty-one billion, eight hundred eighty-five million, one hundred forty-seven thousand, one hundred thirty-six".