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141949678840 = 2355960148169
BaseRepresentation
bin1000010000110011011…
…1000011010011111000
3111120101201100211022121
42010030313003103320
54311203104210330
6145113310131024
713153434235114
oct2041467032370
9446351324277
10141949678840
1155222990772
12236167b0a74
131050279aa08
146c28548744
153a5be9417a
hex210cdc34f8

141949678840 has 32 divisors (see below), whose sum is σ = 324800118000. Its totient is φ = 55817499904.

The previous prime is 141949678799. The next prime is 141949678861. The reversal of 141949678840 is 48876949141.

It is a super-2 number, since 2×1419496788402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30071725 + ... + 30076444.

Almost surely, 2141949678840 is an apocalyptic number.

141949678840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141949678840 is an abundant number, since it is smaller than the sum of its proper divisors (182850439160).

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

141949678840 is a wasteful number, since it uses less digits than its factorization.

141949678840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60148239 (or 60148235 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 141949678840 in words is "one hundred forty-one billion, nine hundred forty-nine million, six hundred seventy-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 59 118 236 295 472 590 1180 2360 60148169 120296338 240592676 300740845 481185352 601481690 1202963380 2405926760 3548741971 7097483942 14194967884 17743709855 28389935768 35487419710 70974839420 141949678840