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2693448990 = 23359975737
BaseRepresentation
bin1010000010001010…
…1100010100011110
320221201012101102000
42200202230110132
521004010331430
61123133543130
7123513636651
oct24042542436
96851171360
102693448990
111162422101
12632044aa6
1333c0319cb
141b7a09898
1510b6dde60
hexa08ac51e

2693448990 has 32 divisors (see below), whose sum is σ = 7182531360. Its totient is φ = 718252992.

The previous prime is 2693448973. The next prime is 2693449021. The reversal of 2693448990 is 998443962.

2693448990 is a `hidden beast` number, since 26 + 93 + 448 + 9 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4987599 + ... + 4988138.

It is an arithmetic number, because the mean of its divisors is an integer number (224454105).

Almost surely, 22693448990 is an apocalyptic number.

2693448990 is an abundant number, since it is smaller than the sum of its proper divisors (4489082370).

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

2693448990 is a wasteful number, since it uses less digits than its factorization.

2693448990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975753 (or 9975747 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The square root of 2693448990 is about 51898.4488207499. The cubic root of 2693448990 is about 1391.3495493315.

The spelling of 2693448990 in words is "two billion, six hundred ninety-three million, four hundred forty-eight thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 9975737 19951474 29927211 49878685 59854422 89781633 99757370 149636055 179563266 269344899 299272110 448908165 538689798 897816330 1346724495 2693448990