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34422681728 = 27234312
BaseRepresentation
bin100000000011110000…
…000111000010000000
310021211222100102011002
4200003300013002000
51030444201303403
623451421311132
72326011652451
oct400360070200
9107758312132
1034422681728
11136647852a6
1268081054a8
13332773a036
141947989128
15d67043188
hex803c07080

34422681728 has 120 divisors (see below), whose sum is σ = 74080833615. Its totient is φ = 15931956480.

The previous prime is 34422681721. The next prime is 34422681739. The reversal of 34422681728 is 82718622443.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 17211340864 + 17211340864 = 131192^2 + 131192^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=131192.

It is a Duffinian number.

Its product of digits (1032192) is a multiple of the sum of its prime divisors (56).

It is not an unprimeable number, because it can be changed into a prime (34422681721) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1110409073 + ... + 1110409103.

Almost surely, 234422681728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34422681728

34422681728 is an abundant number, since it is smaller than the sum of its proper divisors (39658151887).

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

34422681728 is an frugal number, since it uses more digits than its factorization.

34422681728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 56 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 47.

The spelling of 34422681728 in words is "thirty-four billion, four hundred twenty-two million, six hundred eighty-one thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 16 23 31 32 46 62 64 92 124 128 184 248 368 496 529 713 736 961 992 1058 1426 1472 1922 1984 2116 2852 2944 3844 3968 4232 5704 7688 8464 11408 12167 15376 16399 16928 22103 22816 24334 30752 32798 33856 44206 45632 48668 61504 65596 67712 88412 91264 97336 123008 131192 176824 194672 262384 279841 353648 377177 389344 508369 524768 559682 707296 754354 778688 1016738 1049536 1119364 1414592 1508708 1557376 2033476 2099072 2238728 2829184 3017416 4066952 4477456 6034832 8133904 8675071 8954912 11692487 12069664 16267808 17350142 17909824 23384974 24139328 32535616 34700284 35819648 46769948 48278656 65071232 69400568 93539896 138801136 187079792 268927201 277602272 374159584 537854402 555204544 748319168 1075708804 1110409088 1496638336 2151417608 4302835216 8605670432 17211340864 34422681728