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530996213561 = 1164223751637
BaseRepresentation
bin1111011101000011101…
…01110011011100111001
31212202121001001111201012
413232201311303130321
532144440012313221
61043534123403305
753235403226042
oct7564165633471
91782531044635
10530996213561
11195215579520
1286ab1683535
133b0c3a25748
141b9b3ab18c9
15dc2be4165b
hex7ba1d73739

530996213561 has 8 divisors (see below), whose sum is σ = 579278386944. Its totient is φ = 482715671920.

The previous prime is 530996213521. The next prime is 530996213581. The reversal of 530996213561 is 165312699035.

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 530996213561 - 214 = 530996197177 is a prime.

It is a super-2 number, since 2×5309962135612 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530996213521) 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, 330635 + ... + 1082271.

It is an arithmetic number, because the mean of its divisors is an integer number (72409798368).

Almost surely, 2530996213561 is an apocalyptic number.

It is an amenable number.

530996213561 is a deficient number, since it is larger than the sum of its proper divisors (48282173383).

530996213561 is a wasteful number, since it uses less digits than its factorization.

530996213561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815871.

The product of its (nonzero) digits is 1312200, while the sum is 50.

The spelling of 530996213561 in words is "five hundred thirty billion, nine hundred ninety-six million, two hundred thirteen thousand, five hundred sixty-one".

Divisors: 1 11 64223 706453 751637 8268007 48272383051 530996213561