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43808070068 = 227101113137087
BaseRepresentation
bin101000110011001010…
…100001100110110100
311012002001121112120122
4220303022201212310
51204204331220233
632043010551112
73110414310620
oct506312414664
9135061545518
1043808070068
1117640571494
1285a7298498
134191cb3c69
142198240180
151215e98d98
hexa332a19b4

43808070068 has 48 divisors (see below), whose sum is σ = 89267318784. Its totient is φ = 18424358400.

The previous prime is 43808070023. The next prime is 43808070127. The reversal of 43808070068 is 86007080834.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251021 + ... + 388107.

It is an arithmetic number, because the mean of its divisors is an integer number (1859735808).

Almost surely, 243808070068 is an apocalyptic number.

It is an amenable number.

43808070068 is an abundant number, since it is smaller than the sum of its proper divisors (45459248716).

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

43808070068 is a wasteful number, since it uses less digits than its factorization.

43808070068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137312 (or 137310 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 43808070068 in words is "forty-three billion, eight hundred eight million, seventy thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 101 113 202 226 404 452 707 791 1414 1582 2828 3164 11413 22826 45652 79891 137087 159782 274174 319564 548348 959609 1919218 3838436 13845787 15490831 27691574 30981662 55383148 61963324 96920509 108435817 193841018 216871634 387682036 433743268 1564573931 3129147862 6258295724 10952017517 21904035034 43808070068