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30071077044 = 2233767727651
BaseRepresentation
bin11100000000011000…
…000011100010110100
32212121201000222202020
4130000120003202310
5443041143431134
621451531313140
72113121636361
oct340030034264
985551028666
1030071077044
1111831380298
1259b28ab7b0
132ab301cc18
141653a6b468
15baeeb8b49
hex7006038b4

30071077044 has 24 divisors (see below), whose sum is σ = 72062221728. Its totient is φ = 9752781600.

The previous prime is 30071077031. The next prime is 30071077051. The reversal of 30071077044 is 44077017003.

It is a junction number, because it is equal to n+sod(n) for n = 30071076996 and 30071077014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33863382 + ... + 33864269.

It is an arithmetic number, because the mean of its divisors is an integer number (3002592572).

Almost surely, 230071077044 is an apocalyptic number.

It is an amenable number.

30071077044 is an abundant number, since it is smaller than the sum of its proper divisors (41991144684).

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

30071077044 is a wasteful number, since it uses less digits than its factorization.

30071077044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67727695 (or 67727693 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The spelling of 30071077044 in words is "thirty billion, seventy-one million, seventy-seven thousand, forty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 67727651 135455302 203182953 270910604 406365906 812731812 2505923087 5011846174 7517769261 10023692348 15035538522 30071077044