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7077642740 = 225750554591
BaseRepresentation
bin1101001011101110…
…00100000111110100
3200021020211111121022
412211313010013310
5103443334031430
63130150240312
7340250653640
oct64567040764
920236744538
107077642740
113002165823
121456356098
1388a41c3ac
144b1dabc20
152b65544e5
hex1a5dc41f4

7077642740 has 24 divisors (see below), whose sum is σ = 16986342912. Its totient is φ = 2426620320.

The previous prime is 7077642713. The next prime is 7077642743. The reversal of 7077642740 is 472467707.

It is a junction number, because it is equal to n+sod(n) for n = 7077642691 and 7077642700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7077642743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25277156 + ... + 25277435.

It is an arithmetic number, because the mean of its divisors is an integer number (707764288).

Almost surely, 27077642740 is an apocalyptic number.

7077642740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7077642740 is an abundant number, since it is smaller than the sum of its proper divisors (9908700172).

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

7077642740 is a wasteful number, since it uses less digits than its factorization.

7077642740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50554607 (or 50554605 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 44.

The square root of 7077642740 is about 84128.7271982644. The cubic root of 7077642740 is about 1919.9778227328.

The spelling of 7077642740 in words is "seven billion, seventy-seven million, six hundred forty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 50554591 101109182 202218364 252772955 353882137 505545910 707764274 1011091820 1415528548 1769410685 3538821370 7077642740