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5457350661 = 371032523047
BaseRepresentation
bin1010001010100100…
…01001000000000101
3112002022222010201120
411011102021000011
542134040210121
62301305544153
7252144500220
oct50522110005
915068863646
105457350661
112350594364
1210837a5059
1368c830299
1439ab145b7
1521e197bc6
hex145489005

5457350661 has 16 divisors (see below), whose sum is σ = 8396703744. Its totient is φ = 3088208304.

The previous prime is 5457350653. The next prime is 5457350663. The reversal of 5457350661 is 1660537545.

It is not a de Polignac number, because 5457350661 - 23 = 5457350653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5457350663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259361 + ... + 1263686.

It is an arithmetic number, because the mean of its divisors is an integer number (524793984).

Almost surely, 25457350661 is an apocalyptic number.

It is an amenable number.

5457350661 is a deficient number, since it is larger than the sum of its proper divisors (2939353083).

5457350661 is a wasteful number, since it uses less digits than its factorization.

5457350661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523160.

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 5457350661 is about 73873.8834839485. The cubic root of 5457350661 is about 1760.5996859906.

The spelling of 5457350661 in words is "five billion, four hundred fifty-seven million, three hundred fifty thousand, six hundred sixty-one".

Divisors: 1 3 7 21 103 309 721 2163 2523047 7569141 17661329 52983987 259873841 779621523 1819116887 5457350661