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48310978780 = 2252983294791
BaseRepresentation
bin101100111111100011…
…110000100011011100
311121200212122000002101
4230333203300203130
51242420102310110
634105503534444
73330122354431
oct547743604334
9147625560071
1048310978780
1119541319449
1294432ba424
13472bb6869c
1424a42a5b88
1513cb45e13a
hexb3f8f08dc

48310978780 has 24 divisors (see below), whose sum is σ = 104951437920. Its totient is φ = 18658032960.

The previous prime is 48310978763. The next prime is 48310978789. The reversal of 48310978780 is 8787901384.

It is a happy number.

It is a super-2 number, since 2×483109787802 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48310978789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41646816 + ... + 41647975.

It is an arithmetic number, because the mean of its divisors is an integer number (4372976580).

Almost surely, 248310978780 is an apocalyptic number.

It is an amenable number.

48310978780 is an abundant number, since it is smaller than the sum of its proper divisors (56640459140).

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

48310978780 is a wasteful number, since it uses less digits than its factorization.

48310978780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83294829 (or 83294827 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 48310978780 in words is "forty-eight billion, three hundred ten million, nine hundred seventy-eight thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 83294791 166589582 333179164 416473955 832947910 1665895820 2415548939 4831097878 9662195756 12077744695 24155489390 48310978780