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1381192150 = 252132717841
BaseRepresentation
bin101001001010011…
…0101000111010110
310120020221211102211
41102110311013112
510312041122100
6345015424034
746140640162
oct12224650726
93506854384
101381192150
11649713118
1232668501a
131901c4b80
14d1617ca2
15813cc1ba
hex525351d6

1381192150 has 48 divisors (see below), whose sum is σ = 2777197248. Its totient is φ = 508032000.

The previous prime is 1381192139. The next prime is 1381192151. The reversal of 1381192150 is 512911831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381192151) 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, 172230 + ... + 180070.

It is an arithmetic number, because the mean of its divisors is an integer number (57858276).

Almost surely, 21381192150 is an apocalyptic number.

1381192150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1381192150 is an abundant number, since it is smaller than the sum of its proper divisors (1396005098).

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

1381192150 is a wasteful number, since it uses less digits than its factorization.

1381192150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8137 (or 8132 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 1381192150 is about 37164.3935777244. The cubic root of 1381192150 is about 1113.6567843794.

The spelling of 1381192150 in words is "one billion, three hundred eighty-one million, one hundred ninety-two thousand, one hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 271 325 542 650 1355 2710 3523 6775 7046 7841 13550 15682 17615 35230 39205 78410 88075 101933 176150 196025 203866 392050 509665 1019330 2124911 2548325 4249822 5096650 10624555 21249110 27623843 53122775 55247686 106245550 138119215 276238430 690596075 1381192150