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1220413404413 = 717671019315017
BaseRepresentation
bin10001110000100110010…
…011101011010011111101
311022200002201010111110202
4101300212103223103331
5124443401312420123
62332352234413245
7154112660530430
oct21604623532375
94280081114422
101220413404413
11430635606a55
12178635b91225
138b113818228
14430d56a3817
1521b2bdb6a28
hex11c264eb4fd

1220413404413 has 32 divisors (see below), whose sum is σ = 1499091473664. Its totient is φ = 969680904192.

The previous prime is 1220413404347. The next prime is 1220413404443. The reversal of 1220413404413 is 3144043140221.

It is not a de Polignac number, because 1220413404413 - 230 = 1219339662589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220413404443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81261281 + ... + 81276297.

It is an arithmetic number, because the mean of its divisors is an integer number (46846608552).

Almost surely, 21220413404413 is an apocalyptic number.

It is an amenable number.

1220413404413 is a deficient number, since it is larger than the sum of its proper divisors (278678069251).

1220413404413 is a wasteful number, since it uses less digits than its factorization.

1220413404413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25301.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1220413404413 its reverse (3144043140221), we get a palindrome (4364456544634).

The spelling of 1220413404413 in words is "one trillion, two hundred twenty billion, four hundred thirteen million, four hundred four thousand, four hundred thirteen".

Divisors: 1 7 17 67 119 469 1139 7973 10193 15017 71351 105119 173281 255289 682931 1006139 1212967 1787023 4780517 7042973 11609827 17104363 81268789 119730541 153068281 1071477967 2602160777 10255574827 18215125439 71789023789 174344772059 1220413404413