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49831091298 = 234319922559
BaseRepresentation
bin101110011010001010…
…100001110001100010
311202121210222201110000
4232122022201301202
51304023224410143
634520405120430
73412601200362
oct563212416142
9152553881400
1049831091298
111a15139648a
1297a83b9116
134911a80351
1425aa1229a2
151469b2cbd3
hexb9a2a1c62

49831091298 has 40 divisors (see below), whose sum is σ = 115260456960. Its totient is φ = 16074543960.

The previous prime is 49831091293. The next prime is 49831091333. The reversal of 49831091298 is 89219013894.

It is a super-2 number, since 2×498310912982 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (49831091291) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4956258 + ... + 4966301.

It is an arithmetic number, because the mean of its divisors is an integer number (2881511424).

Almost surely, 249831091298 is an apocalyptic number.

49831091298 is an abundant number, since it is smaller than the sum of its proper divisors (65429365662).

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

49831091298 is a wasteful number, since it uses less digits than its factorization.

49831091298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922604 (or 9922595 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 49831091298 in words is "forty-nine billion, eight hundred thirty-one million, ninety-one thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 9 18 27 31 54 62 81 93 162 186 279 558 837 1674 2511 5022 9922559 19845118 29767677 59535354 89303031 178606062 267909093 307599329 535818186 615198658 803727279 922797987 1607454558 1845595974 2768393961 5536787922 8305181883 16610363766 24915545649 49831091298