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100144513 = 7109131251
BaseRepresentation
bin1011111100000…
…01010110000001
320222102212110001
411332001112001
5201114111023
613534240001
72324133340
oct576012601
9228385401
10100144513
1151590067
1229656001
1317994511
14d42bb57
158bd26ad
hex5f81581

100144513 has 8 divisors (see below), whose sum is σ = 115501760. Its totient is φ = 85050000.

The previous prime is 100144489. The next prime is 100144519. The reversal of 100144513 is 315441001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100144513 - 25 = 100144481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100144519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64863 + ... + 66388.

It is an arithmetic number, because the mean of its divisors is an integer number (14437720).

Almost surely, 2100144513 is an apocalyptic number.

It is an amenable number.

100144513 is a deficient number, since it is larger than the sum of its proper divisors (15357247).

100144513 is a wasteful number, since it uses less digits than its factorization.

100144513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131367.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 100144513 is about 10007.2230413837. The cubic root of 100144513 is about 464.3823657178.

Adding to 100144513 its reverse (315441001), we get a palindrome (415585514).

The spelling of 100144513 in words is "one hundred million, one hundred forty-four thousand, five hundred thirteen".

Divisors: 1 7 109 763 131251 918757 14306359 100144513