Search a number
-
+
54739809940 = 22517253163611
BaseRepresentation
bin110010111110101111…
…110011011010010100
312020021220121110112011
4302332233303122110
51344101342404230
641051440034004
73645334464424
oct627657633224
9166256543464
1054739809940
1121240217452
12a738302904
135214a2b9aa
142914022484
151655a52e2a
hexcbebf3694

54739809940 has 48 divisors (see below), whose sum is σ = 121765581504. Its totient is φ = 20599462400.

The previous prime is 54739809911. The next prime is 54739809947. The reversal of 54739809940 is 4990893745.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54739809947) 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, 828735 + ... + 892345.

It is an arithmetic number, because the mean of its divisors is an integer number (2536782948).

Almost surely, 254739809940 is an apocalyptic number.

It is an amenable number.

54739809940 is an abundant number, since it is smaller than the sum of its proper divisors (67025771564).

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

54739809940 is a wasteful number, since it uses less digits than its factorization.

54739809940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66168 (or 66166 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 54739809940 in words is "fifty-four billion, seven hundred thirty-nine million, eight hundred nine thousand, nine hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 2531 5062 10124 12655 25310 43027 50620 63611 86054 127222 172108 215135 254444 318055 430270 636110 860540 1081387 1272220 2162774 4325548 5406935 10813870 21627740 160999441 321998882 643997764 804997205 1609994410 2736990497 3219988820 5473980994 10947961988 13684952485 27369904970 54739809940