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100080138 = 2361972819
BaseRepresentation
bin1011111011100…
…01101000001010
320222022121010210
411331301220022
5201110031023
613533021550
72323444554
oct575615012
9228277123
10100080138
1151546764
12296248b6
1317971122
14d4124d4
158bbd593
hex5f71a0a

100080138 has 32 divisors (see below), whose sum is σ = 205611840. Its totient is φ = 32463360.

The previous prime is 100080133. The next prime is 100080143. The reversal of 100080138 is 831080001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100080133) and next prime (100080143).

It is not an unprimeable number, because it can be changed into a prime (100080133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34093 + ... + 36911.

It is an arithmetic number, because the mean of its divisors is an integer number (6425370).

Almost surely, 2100080138 is an apocalyptic number.

100080138 is an abundant number, since it is smaller than the sum of its proper divisors (105531702).

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

100080138 is a wasteful number, since it uses less digits than its factorization.

100080138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 100080138 is about 10004.0060975591. The cubic root of 100080138 is about 464.2828394705.

The spelling of 100080138 in words is "one hundred million, eighty thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 61 97 122 183 194 291 366 582 2819 5638 5917 8457 11834 16914 17751 35502 171959 273443 343918 515877 546886 820329 1031754 1640658 16680023 33360046 50040069 100080138