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103812995 = 51113145193
BaseRepresentation
bin1100011000000…
…00111110000011
321020100020122202
412030000332003
5203034003440
614145023415
72400252536
oct614007603
9236306582
10103812995
1153666270
122a924b6b
131867a210
14db04a1d
1591a9615
hex6300f83

103812995 has 16 divisors (see below), whose sum is σ = 146355552. Its totient is φ = 69692160.

The previous prime is 103812991. The next prime is 103813001. The reversal of 103812995 is 599218301.

103812995 = 3092 + 3102 + ... + 6982.

It is not a de Polignac number, because 103812995 - 22 = 103812991 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (103812991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71882 + ... + 73311.

It is an arithmetic number, because the mean of its divisors is an integer number (9147222).

Almost surely, 2103812995 is an apocalyptic number.

103812995 is a deficient number, since it is larger than the sum of its proper divisors (42542557).

103812995 is a wasteful number, since it uses less digits than its factorization.

103812995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145222.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 103812995 is about 10188.8662274072. The cubic root of 103812995 is about 469.9849021859.

The spelling of 103812995 in words is "one hundred three million, eight hundred twelve thousand, nine hundred ninety-five".

Divisors: 1 5 11 13 55 65 143 715 145193 725965 1597123 1887509 7985615 9437545 20762599 103812995