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20694941034 = 2311532991463
BaseRepresentation
bin10011010001100000…
…111011110101101010
31222102021011221010120
4103101200323311222
5314340401103114
613301312224110
71331561045025
oct232140736552
958367157116
1020694941034
11885a833559
12401683b036
131c4a665451
1410047041bc
15811c8e5a9
hex4d183bd6a

20694941034 has 16 divisors (see below), whose sum is σ = 41425793472. Its totient is φ = 6892328448.

The previous prime is 20694941021. The next prime is 20694941077. The reversal of 20694941034 is 43014949602.

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, 1488814 + ... + 1502649.

It is an arithmetic number, because the mean of its divisors is an integer number (2589112092).

Almost surely, 220694941034 is an apocalyptic number.

20694941034 is an abundant number, since it is smaller than the sum of its proper divisors (20730852438).

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

20694941034 is a wasteful number, since it uses less digits than its factorization.

20694941034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992621.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 20694941034 in words is "twenty billion, six hundred ninety-four million, nine hundred forty-one thousand, thirty-four".

Divisors: 1 2 3 6 1153 2306 3459 6918 2991463 5982926 8974389 17948778 3449156839 6898313678 10347470517 20694941034