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2857385976481 = 371327253922921
BaseRepresentation
bin101001100101001001011…
…110011110001010100001
3101010011102010211020120001
4221211021132132022201
5333303411302221411
610024355350020001
7413303455026001
oct51451136361241
911104363736501
102857385976481
11a018a098a023
123a1944947601
131795b1527c3a
149c426456001
154e4d92c1dc1
hex2994979e2a1

2857385976481 has 16 divisors (see below), whose sum is σ = 2938108952320. Its totient is φ = 2776848946560.

The previous prime is 2857385976469. The next prime is 2857385976491. The reversal of 2857385976481 is 1846795837582.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2857385976481 - 213 = 2857385968289 is a prime.

It is a super-2 number, since 2×28573859764812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2857385976451) 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, 124650901 + ... + 124673821.

It is an arithmetic number, because the mean of its divisors is an integer number (183631809520).

Almost surely, 22857385976481 is an apocalyptic number.

It is an amenable number.

2857385976481 is a deficient number, since it is larger than the sum of its proper divisors (80722975839).

2857385976481 is a wasteful number, since it uses less digits than its factorization.

2857385976481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26824.

The product of its digits is 812851200, while the sum is 73.

The spelling of 2857385976481 in words is "two trillion, eight hundred fifty-seven billion, three hundred eighty-five million, nine hundred seventy-six thousand, four hundred eighty-one".

Divisors: 1 37 1327 2539 22921 49099 93943 848077 3369253 30416167 58196419 124662361 1125398179 2153267503 77226648013 2857385976481