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101312311019 = 179476293081
BaseRepresentation
bin101111001011010101…
…1110010111011101011
3100200111121222122112112
41132112223302323223
53124441422423034
6114313042232535
710214420302103
oct1362653627353
9320447878475
10101312311019
1139a6a181867
121777535574b
13972766813a
144c91468203
15297e55c7ce
hex1796af2eeb

101312311019 has 8 divisors (see below), whose sum is σ = 107385151248. Its totient is φ = 95252058880.

The previous prime is 101312311013. The next prime is 101312311027. The reversal of 101312311019 is 910113213101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101312311019 - 28 = 101312310763 is a prime.

It is a super-2 number, since 2×1013123110192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101312310985 and 101312311003.

It is not an unprimeable number, because it can be changed into a prime (101312311013) 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, 3130442 + ... + 3162639.

It is an arithmetic number, because the mean of its divisors is an integer number (13423143906).

Almost surely, 2101312311019 is an apocalyptic number.

101312311019 is a deficient number, since it is larger than the sum of its proper divisors (6072840229).

101312311019 is an equidigital number, since it uses as much as digits as its factorization.

101312311019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294045.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 101312311019 in words is "one hundred one billion, three hundred twelve million, three hundred eleven thousand, nineteen".

Divisors: 1 17 947 16099 6293081 106982377 5959547707 101312311019