Search a number
-
+
55740149276 = 2274148554137
BaseRepresentation
bin110011111010010111…
…110010111000011100
312022212121220222010012
4303322113302320130
51403123434234101
641335012502352
74012202310560
oct637227627034
9168777828105
1055740149276
1121703952179
12a97731a9b8
135344057466
1429aac1b6a0
1516b379ebbb
hexcfa5f2e1c

55740149276 has 24 divisors (see below), whose sum is σ = 114199332576. Its totient is φ = 23305985280.

The previous prime is 55740149233. The next prime is 55740149327. The reversal of 55740149276 is 67294104755.

It is a happy number.

It is a congruent number.

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, 24275921 + ... + 24278216.

It is an arithmetic number, because the mean of its divisors is an integer number (4758305524).

Almost surely, 255740149276 is an apocalyptic number.

It is an amenable number.

55740149276 is an abundant number, since it is smaller than the sum of its proper divisors (58459183300).

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

55740149276 is a wasteful number, since it uses less digits than its factorization.

55740149276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48554189 (or 48554187 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 55740149276 in words is "fifty-five billion, seven hundred forty million, one hundred forty-nine thousand, two hundred seventy-six".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 48554137 97108274 194216548 339878959 679757918 1359515836 1990719617 3981439234 7962878468 13935037319 27870074638 55740149276