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690790230516 = 22367859191829
BaseRepresentation
bin10100000110101100100…
…11100110100111110100
32110001001100200122002110
422003112103212213310
542304214244334031
61245202240011020
7100623266035431
oct12032623464764
92401040618073
10690790230516
11246a65092561
12b1a68300a70
13501ab3c19b9
14256120c6b88
1512e80791c46
hexa0d64e69f4

690790230516 has 24 divisors (see below), whose sum is σ = 1635901244320. Its totient is φ = 226826642592.

The previous prime is 690790230503. The next prime is 690790230517. The reversal of 690790230516 is 615032097096.

690790230516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6907902305162 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690790230517) 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, 429595111 + ... + 429596718.

Almost surely, 2690790230516 is an apocalyptic number.

It is an amenable number.

690790230516 is an abundant number, since it is smaller than the sum of its proper divisors (945111013804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690790230516 is a wasteful number, since it uses less digits than its factorization.

690790230516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859191903 (or 859191901 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 48.

The spelling of 690790230516 in words is "six hundred ninety billion, seven hundred ninety million, two hundred thirty thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 859191829 1718383658 2577575487 3436767316 5155150974 10310301948 57565852543 115131705086 172697557629 230263410172 345395115258 690790230516