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690930994452 = 223269214043059
BaseRepresentation
bin10100000110111101011…
…00100100110100010100
32110001102011120011220120
422003132230210310110
542310011313310302
61245224225031540
7100626625360056
oct12033654446424
92401364504816
10690930994452
11247027596596
12b1aa74855b0
135020160897a
1425626a898d6
1512e8cce99bc
hexa0deb24d14

690930994452 has 24 divisors (see below), whose sum is σ = 1618165533600. Its totient is φ = 229454158176.

The previous prime is 690930994433. The next prime is 690930994463. The reversal of 690930994452 is 254499039096.

It is a super-3 number, since 3×6909309944523 (a number of 36 digits) contains 333 as substring.

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, 107018302 + ... + 107024757.

It is an arithmetic number, because the mean of its divisors is an integer number (67423563900).

Almost surely, 2690930994452 is an apocalyptic number.

It is an amenable number.

690930994452 is an abundant number, since it is smaller than the sum of its proper divisors (927234539148).

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

690930994452 is a wasteful number, since it uses less digits than its factorization.

690930994452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214043335 (or 214043333 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 60.

The spelling of 690930994452 in words is "six hundred ninety billion, nine hundred thirty million, nine hundred ninety-four thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 269 538 807 1076 1614 3228 214043059 428086118 642129177 856172236 1284258354 2568516708 57577582871 115155165742 172732748613 230310331484 345465497226 690930994452