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22995194768 = 2471316219743
BaseRepresentation
bin10101011010100111…
…101101001110010000
32012100120111221001022
4111122213231032100
5334043232213033
614321442455012
71442561634110
oct253247551620
965316457038
1022995194768
1198302081a7
124559064468
132226098c30
141181ddb040
158e8bb1098
hex55a9ed390

22995194768 has 80 divisors (see below), whose sum is σ = 54874154496. Its totient is φ = 9090455040.

The previous prime is 22995194767. The next prime is 22995194777. The reversal of 22995194768 is 86749159922.

It is a self number, because there is not a number n which added to its sum of digits gives 22995194768.

It is not an unprimeable number, because it can be changed into a prime (22995194767) 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, 2355305 + ... + 2365047.

Almost surely, 222995194768 is an apocalyptic number.

22995194768 is a gapful number since it is divisible by the number (28) 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 22995194768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27437077248).

22995194768 is an abundant number, since it is smaller than the sum of its proper divisors (31878959728).

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

22995194768 is a wasteful number, since it uses less digits than its factorization.

22995194768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11392 (or 11386 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 62.

The spelling of 22995194768 in words is "twenty-two billion, nine hundred ninety-five million, one hundred ninety-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 1621 3242 6484 9743 11347 12968 19486 21073 22694 25936 38972 42146 45388 68201 77944 84292 90776 126659 136402 147511 155888 168584 181552 253318 272804 295022 337168 506636 545608 590044 886613 1013272 1091216 1180088 1773226 2026544 2360176 3546452 7092904 14185808 15793403 31586806 63173612 110553821 126347224 205314239 221107642 252694448 410628478 442215284 821256956 884430568 1437199673 1642513912 1768861136 2874399346 3285027824 5748798692 11497597384 22995194768