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1020312302013 = 3471177414763
BaseRepresentation
bin11101101100011110101…
…10100011000110111101
310121112121022121021120000
432312033112203012331
5113204044422131023
62100420333344513
7133500201320304
oct16661726430675
93545538537500
101020312302013
11363791771054
121458b0638139
13752a458a864
1437551dc543b
151b819b21243
hexed8f5a31bd

1020312302013 has 20 divisors (see below), whose sum is σ = 1545637423968. Its totient is φ = 670627800360.

The previous prime is 1020312302003. The next prime is 1020312302039. The reversal of 1020312302013 is 3102032130201.

It is not a de Polignac number, because 1020312302013 - 216 = 1020312236477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020312302003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 88701631 + ... + 88713132.

Almost surely, 21020312302013 is an apocalyptic number.

It is an amenable number.

1020312302013 is a deficient number, since it is larger than the sum of its proper divisors (525325121955).

1020312302013 is an equidigital number, since it uses as much as digits as its factorization.

1020312302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177414846 (or 177414837 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1020312302013 its reverse (3102032130201), we get a palindrome (4122344432214).

The spelling of 1020312302013 in words is "one trillion, twenty billion, three hundred twelve million, three hundred two thousand, thirteen".

Divisors: 1 3 9 27 71 81 213 639 1917 5751 177414763 532244289 1596732867 4790198601 12596448173 14370595803 37789344519 113368033557 340104100671 1020312302013