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125384634670 = 25377118712551
BaseRepresentation
bin111010011000110000…
…0011011000100101110
3102222122021022101122011
41310301200123010232
54023241431302140
6133333443511434
712026101544521
oct1646140330456
9388567271564
10125384634670
11491a23a2919
122037308857a
13ba92937829
1460d652cbb8
1533dca87cea
hex1d3181b12e

125384634670 has 64 divisors (see below), whose sum is σ = 235274637312. Its totient is φ = 48066480000.

The previous prime is 125384634649. The next prime is 125384634679. The reversal of 125384634670 is 76436483521.

It is a super-2 number, since 2×1253846346702 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125384634679) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 49149895 + ... + 49152445.

It is an arithmetic number, because the mean of its divisors is an integer number (3676166208).

Almost surely, 2125384634670 is an apocalyptic number.

125384634670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125384634670 is a deficient number, since it is larger than the sum of its proper divisors (109890002642).

125384634670 is a wasteful number, since it uses less digits than its factorization.

125384634670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 125384634670 in words is "one hundred twenty-five billion, three hundred eighty-four million, six hundred thirty-four thousand, six hundred seventy".

Divisors: 1 2 5 10 37 71 74 142 185 355 370 710 1871 2551 2627 3742 5102 5254 9355 12755 13135 18710 25510 26270 69227 94387 132841 138454 181121 188774 265682 346135 362242 471935 664205 692270 905605 943870 1328410 1811210 4772921 4915117 6701477 9545842 9830234 13402954 23864605 24575585 33507385 47729210 49151170 67014770 176598077 338877391 353196154 677754782 882990385 1694386955 1765980770 3388773910 12538463467 25076926934 62692317335 125384634670