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135179195830 = 257832280321
BaseRepresentation
bin111110111100101001…
…1101101010110110110
3110220220212111122122121
41331321103231112312
54203321333231310
6142033411150154
712523603130440
oct1757123552666
9426825448577
10135179195830
115236914a668
12222472a535a
13c993bb5253
146785295490
1537b28b50da
hex1f794ed5b6

135179195830 has 48 divisors (see below), whose sum is σ = 281474684064. Its totient is φ = 45788590080.

The previous prime is 135179195777. The next prime is 135179195869. The reversal of 135179195830 is 38591971531.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342070 + ... + 622390.

It is an arithmetic number, because the mean of its divisors is an integer number (5864055918).

Almost surely, 2135179195830 is an apocalyptic number.

135179195830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135179195830 is an abundant number, since it is smaller than the sum of its proper divisors (146295488234).

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

135179195830 is an equidigital number, since it uses as much as digits as its factorization.

135179195830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280501 (or 280418 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 52.

The spelling of 135179195830 in words is "one hundred thirty-five billion, one hundred seventy-nine million, one hundred ninety-five thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 83 166 415 581 830 1162 2905 5810 6889 13778 34445 48223 68890 96446 241115 280321 482230 560642 1401605 1962247 2803210 3924494 9811235 19622470 23266643 46533286 116333215 162866501 232666430 325733002 814332505 1628665010 1931131369 3862262738 9655656845 13517919583 19311313690 27035839166 67589597915 135179195830