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135961080 = 23351133009
BaseRepresentation
bin10000001101010…
…01100111111000
3100110211112112120
420012221213320
5234301223310
621254041240
73240435663
oct1006514770
9313745476
10135961080
116a823632
1239649220
1322224b58
14140b26da
15be09b70
hex81a99f8

135961080 has 32 divisors (see below), whose sum is σ = 407883600. Its totient is φ = 36256256.

The previous prime is 135961069. The next prime is 135961099. The reversal of 135961080 is 80169531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566385 + ... + 566624.

Almost surely, 2135961080 is an apocalyptic number.

135961080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135961080 is an abundant number, since it is smaller than the sum of its proper divisors (271922520).

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

135961080 is a wasteful number, since it uses less digits than its factorization.

135961080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133023 (or 1133019 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 135961080 is about 11660.2349890558. The cubic root of 135961080 is about 514.2072574320.

The spelling of 135961080 in words is "one hundred thirty-five million, nine hundred sixty-one thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1133009 2266018 3399027 4532036 5665045 6798054 9064072 11330090 13596108 16995135 22660180 27192216 33990270 45320360 67980540 135961080