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2190851357 is a prime number
BaseRepresentation
bin1000001010010101…
…1011110100011101
312122200110210001212
42002211123310131
513441324220412
61001221314205
7105201633512
oct20245336435
95580423055
102190851357
11a24751062
12511865965
1328bb7a466
1416ad79309
15cc511222
hex8295bd1d

2190851357 has 2 divisors, whose sum is σ = 2190851358. Its totient is φ = 2190851356.

The previous prime is 2190851309. The next prime is 2190851393. The reversal of 2190851357 is 7531580912.

2190851357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2006054521 + 184796836 = 44789^2 + 13594^2 .

It is a cyclic number.

It is not a de Polignac number, because 2190851357 - 28 = 2190851101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2190151357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095425678 + 1095425679.

It is an arithmetic number, because the mean of its divisors is an integer number (1095425679).

Almost surely, 22190851357 is an apocalyptic number.

It is an amenable number.

2190851357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190851357 is an equidigital number, since it uses as much as digits as its factorization.

2190851357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 2190851357 is about 46806.5311361566. The cubic root of 2190851357 is about 1298.7861167830.

The spelling of 2190851357 in words is "two billion, one hundred ninety million, eight hundred fifty-one thousand, three hundred fifty-seven".