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2561070700 = 2252231113509
BaseRepresentation
bin1001100010100110…
…1101011001101100
320121111002212112101
42120221231121230
520221113230300
61102044344444
7120315512266
oct23051553154
96544085471
102561070700
1110a4726361
125b5845124
1331a792866
141a41cab36
15eec90b6a
hex98a6d66c

2561070700 has 36 divisors (see below), whose sum is σ = 5799160080. Its totient is φ = 979887040.

The previous prime is 2561070661. The next prime is 2561070709. The reversal of 2561070700 is 70701652.

2561070700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2561070709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554455 + ... + 559054.

It is an arithmetic number, because the mean of its divisors is an integer number (161087780).

Almost surely, 22561070700 is an apocalyptic number.

2561070700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2561070700 is an abundant number, since it is smaller than the sum of its proper divisors (3238089380).

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

2561070700 is a wasteful number, since it uses less digits than its factorization.

2561070700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113546 (or 1113539 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 2561070700 is about 50607.0222400014. The cubic root of 2561070700 is about 1368.1714465139.

The spelling of 2561070700 in words is "two billion, five hundred sixty-one million, seventy thousand, seven hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 92 100 115 230 460 575 1150 2300 1113509 2227018 4454036 5567545 11135090 22270180 25610707 27837725 51221414 55675450 102442828 111350900 128053535 256107070 512214140 640267675 1280535350 2561070700