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2801630072 = 23516767777
BaseRepresentation
bin1010011011111101…
…0111101101111000
321020020202112221202
42212333113231320
521214204130242
61142000353332
7126266314463
oct24677275570
97206675852
102801630072
1112084a115a
12662315848
1335857b197
141c812a2da
15115e5c932
hexa6fd7b78

2801630072 has 16 divisors (see below), whose sum is σ = 5254150560. Its totient is φ = 1400523264.

The previous prime is 2801630071. The next prime is 2801630119. The reversal of 2801630072 is 2700361082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801630071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7448 + ... + 75224.

It is an arithmetic number, because the mean of its divisors is an integer number (328384410).

Almost surely, 22801630072 is an apocalyptic number.

It is an amenable number.

2801630072 is a deficient number, since it is larger than the sum of its proper divisors (2452520488).

2801630072 is a wasteful number, since it uses less digits than its factorization.

2801630072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72950 (or 72946 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2801630072 is about 52930.4267128086. The cubic root of 2801630072 is about 1409.7332077420.

The spelling of 2801630072 in words is "two billion, eight hundred one million, six hundred thirty thousand, seventy-two".

Divisors: 1 2 4 8 5167 10334 20668 41336 67777 135554 271108 542216 350203759 700407518 1400815036 2801630072