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135178868312830 = 25831132437591421
BaseRepresentation
bin11110101111000111001000…
…011011010100101011111110
3122201121222021202102011111001
4132233013020123110223332
5120204232310242002310
61155300151555120514
740321231242064336
oct3657071033245376
9581558252364431
10135178868312830
113a088044069611
12131b26a15a313a
135a5740a9970c4
1425549993140c6
1510964a4e7d93a
hex7af1c86d4afe

135178868312830 has 64 divisors (see below), whose sum is σ = 248535150147648. Its totient is φ = 52925522872320.

The previous prime is 135178868312827. The next prime is 135178868312869. The reversal of 135178868312830 is 38213868871531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228270520 + ... + 228861940.

It is an arithmetic number, because the mean of its divisors is an integer number (3883361721057).

Almost surely, 2135178868312830 is an apocalyptic number.

135178868312830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135178868312830 is a deficient number, since it is larger than the sum of its proper divisors (113356281834818).

135178868312830 is a wasteful number, since it uses less digits than its factorization.

135178868312830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594061.

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 135178868312830 in words is "one hundred thirty-five trillion, one hundred seventy-eight billion, eight hundred sixty-eight million, three hundred twelve thousand, eight hundred thirty".

Divisors: 1 2 5 10 83 113 166 226 415 565 830 1130 2437 4874 9379 12185 18758 24370 46895 93790 202271 275381 404542 550762 591421 1011355 1182842 1376905 2022710 2753810 2957105 5914210 22856623 45713246 49087943 66830573 98175886 114283115 133661146 228566230 245439715 334152865 490879430 668305730 1441292977 2882585954 5546937559 7206464885 11093875118 14412929770 27734687795 55469375590 119627317091 162866106401 239254634182 325732212802 598136585455 814330532005 1196273170910 1628661064010 13517886831283 27035773662566 67589434156415 135178868312830