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1020312101015 = 5252298088407
BaseRepresentation
bin11101101100011110101…
…01110010000010010111
310121112121022020001211122
432312033111302002113
5113204044344213030
62100420325154155
7133500166522304
oct16661725620227
93545538201748
101020312101015
11363791644039
121458b055b95b
13752a451a21c
1437551d720ab
151b819ad18e5
hexed8f572097

1020312101015 has 8 divisors (see below), whose sum is σ = 1224423203040. Its totient is φ = 816217226272.

The previous prime is 1020312101009. The next prime is 1020312101027. The reversal of 1020312101015 is 5101012130201.

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 1020312101015 - 24 = 1020312100999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020312100984 and 1020312101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918059 + ... + 4170348.

It is an arithmetic number, because the mean of its divisors is an integer number (153052900380).

Almost surely, 21020312101015 is an apocalyptic number.

1020312101015 is a deficient number, since it is larger than the sum of its proper divisors (204111102025).

1020312101015 is an equidigital number, since it uses as much as digits as its factorization.

1020312101015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8113641.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 1020312101015 its reverse (5101012130201), we get a palindrome (6121324231216).

The spelling of 1020312101015 in words is "one trillion, twenty billion, three hundred twelve million, one hundred one thousand, fifteen".

Divisors: 1 5 25229 126145 8088407 40442035 204062420203 1020312101015