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48672806540 = 22519235568971
BaseRepresentation
bin101101010101001000…
…000001011010001100
311122122002110202110112
4231111020001122030
51244140214302130
634205431055152
73342105013031
oct552510013214
9148562422415
1048672806540
1119707591a56
1295245114b8
134788b03357
1424da371388
1513ed0d2495
hexb5520168c

48672806540 has 48 divisors (see below), whose sum is σ = 112270475520. Its totient is φ = 17642496960.

The previous prime is 48672806527. The next prime is 48672806551. The reversal of 48672806540 is 4560827684.

It is a happy number.

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, 2775746 + ... + 2793225.

It is an arithmetic number, because the mean of its divisors is an integer number (2338968240).

Almost surely, 248672806540 is an apocalyptic number.

It is an amenable number.

48672806540 is an abundant number, since it is smaller than the sum of its proper divisors (63597668980).

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

48672806540 is a wasteful number, since it uses less digits than its factorization.

48672806540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5569022 (or 5569020 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 48672806540 in words is "forty-eight billion, six hundred seventy-two million, eight hundred six thousand, five hundred forty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1748 2185 4370 8740 5568971 11137942 22275884 27844855 55689710 105810449 111379420 128086333 211620898 256172666 423241796 512345332 529052245 640431665 1058104490 1280863330 2116208980 2433640327 2561726660 4867280654 9734561308 12168201635 24336403270 48672806540