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7869748416 = 26340988273
BaseRepresentation
bin1110101010001001…
…01101010011000000
3202022110022122022120
413111010231103000
5112104123422131
63340524004240
7366006520635
oct72504552300
922273278276
107869748416
1133792a4512
121637690680
13985569c8a
1454928018c
15310d6c496
hex1d512d4c0

7869748416 has 28 divisors (see below), whose sum is σ = 20822043192. Its totient is φ = 2623249408.

The previous prime is 7869748399. The next prime is 7869748423. The reversal of 7869748416 is 6148479687.

It is a super-2 number, since 2×78697484162 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7869748416.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20493945 + ... + 20494328.

Almost surely, 27869748416 is an apocalyptic number.

It is an amenable number.

7869748416 is an abundant number, since it is smaller than the sum of its proper divisors (12952294776).

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

7869748416 is a wasteful number, since it uses less digits than its factorization.

7869748416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40988288 (or 40988278 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 60.

The square root of 7869748416 is about 88711.6024880624. The cubic root of 7869748416 is about 1989.0862547434.

The spelling of 7869748416 in words is "seven billion, eight hundred sixty-nine million, seven hundred forty-eight thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 40988273 81976546 122964819 163953092 245929638 327906184 491859276 655812368 983718552 1311624736 1967437104 2623249472 3934874208 7869748416