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5455722144 = 2531716320509
BaseRepresentation
bin1010001010010111…
…11011011010100000
3112002012220101211010
411011023323122200
542133131102034
62301211020520
7252124605315
oct50513733240
915065811733
105455722144
11234a681884
12108313a740
1368c3acc72
1439a80cd0c
1521de753e9
hex1452fb6a0

5455722144 has 96 divisors (see below), whose sum is σ = 15257471040. Its totient is φ = 1701015552.

The previous prime is 5455722119. The next prime is 5455722157. The reversal of 5455722144 is 4412275545.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×54557221442 = 59529808225063913472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 255762 + ... + 276270.

It is an arithmetic number, because the mean of its divisors is an integer number (158931990).

Almost surely, 25455722144 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 5455722144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7628735520).

5455722144 is an abundant number, since it is smaller than the sum of its proper divisors (9801748896).

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

5455722144 is a wasteful number, since it uses less digits than its factorization.

5455722144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20702 (or 20694 counting only the distinct ones).

The product of its digits is 224000, while the sum is 39.

The square root of 5455722144 is about 73862.8603832806. The cubic root of 5455722144 is about 1760.4245429014.

Adding to 5455722144 its reverse (4412275545), we get a palindrome (9867997689).

The spelling of 5455722144 in words is "five billion, four hundred fifty-five million, seven hundred twenty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 163 204 272 326 408 489 544 652 816 978 1304 1632 1956 2608 2771 3912 5216 5542 7824 8313 11084 15648 16626 20509 22168 33252 41018 44336 61527 66504 82036 88672 123054 133008 164072 246108 266016 328144 348653 492216 656288 697306 984432 1045959 1394612 1968864 2091918 2789224 3342967 4183836 5578448 6685934 8367672 10028901 11156896 13371868 16735344 20057802 26743736 33470688 40115604 53487472 56830439 80231208 106974944 113660878 160462416 170491317 227321756 320924832 340982634 454643512 681965268 909287024 1363930536 1818574048 2727861072 5455722144