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133770105 = 3257424667
BaseRepresentation
bin1111111100100…
…10101101111001
3100022201020002100
413332102231321
5233221120410
621135054013
73213012210
oct776225571
9308636070
10133770105
1169567507
1238971309
1321938811
1413aa2077
15bb258c0
hex7f92b79

133770105 has 24 divisors (see below), whose sum is σ = 264992832. Its totient is φ = 61151904.

The previous prime is 133770103. The next prime is 133770113. The reversal of 133770105 is 501077331.

It is not a de Polignac number, because 133770105 - 21 = 133770103 is a prime.

It is a super-2 number, since 2×1337701052 = 35788881983422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133770103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212019 + ... + 212648.

It is an arithmetic number, because the mean of its divisors is an integer number (11041368).

Almost surely, 2133770105 is an apocalyptic number.

133770105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133770105 is a deficient number, since it is larger than the sum of its proper divisors (131222727).

133770105 is a wasteful number, since it uses less digits than its factorization.

133770105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424685 (or 424682 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 133770105 is about 11565.9026885064. The cubic root of 133770105 is about 511.4301839965.

The spelling of 133770105 in words is "one hundred thirty-three million, seven hundred seventy thousand, one hundred five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 424667 1274001 2123335 2972669 3822003 6370005 8918007 14863345 19110015 26754021 44590035 133770105