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2681020628 = 2211134687099
BaseRepresentation
bin1001111111001101…
…0010000011010100
320220211210221220022
42133303102003110
520442320130003
61122011324312
7123303204446
oct23763220324
96824727808
102681020628
111156403530
12629a50698
1333959ca50
141b60d2496
1510a586738
hex9fcd20d4

2681020628 has 24 divisors (see below), whose sum is σ = 5512029600. Its totient is φ = 1124903520.

The previous prime is 2681020621. The next prime is 2681020697. The reversal of 2681020628 is 8260201862.

2681020628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681020621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2342978 + ... + 2344121.

It is an arithmetic number, because the mean of its divisors is an integer number (229667900).

Almost surely, 22681020628 is an apocalyptic number.

It is an amenable number.

2681020628 is an abundant number, since it is smaller than the sum of its proper divisors (2831008972).

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

2681020628 is a wasteful number, since it uses less digits than its factorization.

2681020628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687127 (or 4687125 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2681020628 is about 51778.5730587470. The cubic root of 2681020628 is about 1389.2062179364.

The spelling of 2681020628 in words is "two billion, six hundred eighty-one million, twenty thousand, six hundred twenty-eight".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 4687099 9374198 18748396 51558089 60932287 103116178 121864574 206232356 243729148 670255157 1340510314 2681020628