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30704007813 = 337870731769
BaseRepresentation
bin11100100110000110…
…011111101010000101
32221020211000012112120
4130212012133222011
51000340211222223
622034421240153
72134605521523
oct344606375205
987224005476
1030704007813
1112026680576
125b4a863059
132b841a877b
1416b3b47313
15bea83dbe3
hex72619fa85

30704007813 has 16 divisors (see below), whose sum is σ = 42051280320. Its totient is φ = 19913198976.

The previous prime is 30704007787. The next prime is 30704007823. The reversal of 30704007813 is 31870040703.

It is not a de Polignac number, because 30704007813 - 217 = 30703876741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30704007823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950593 + ... + 982361.

It is an arithmetic number, because the mean of its divisors is an integer number (2628205020).

Almost surely, 230704007813 is an apocalyptic number.

It is an amenable number.

30704007813 is a deficient number, since it is larger than the sum of its proper divisors (11347272507).

30704007813 is a wasteful number, since it uses less digits than its factorization.

30704007813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40516.

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 30704007813 in words is "thirty billion, seven hundred four million, seven thousand, eight hundred thirteen".

Divisors: 1 3 37 111 8707 26121 31769 95307 322159 966477 1175453 3526359 276612683 829838049 10234669271 30704007813