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1012423451 = 13312512217
BaseRepresentation
bin111100010110000…
…101101100011011
32121120001102212212
4330112011230123
54033140022301
6244243425335
734042312604
oct7426055433
92546042785
101012423451
1147a5397a6
1224308524b
13131999b40
1498662dab
155dd374bb
hex3c585b1b

1012423451 has 8 divisors (see below), whose sum is σ = 1125473664. Its totient is φ = 904397760.

The previous prime is 1012423429. The next prime is 1012423469. The reversal of 1012423451 is 1543242101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012423451 - 210 = 1012422427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012423471) 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, 1255706 + ... + 1256511.

It is an arithmetic number, because the mean of its divisors is an integer number (140684208).

Almost surely, 21012423451 is an apocalyptic number.

1012423451 is a deficient number, since it is larger than the sum of its proper divisors (113050213).

1012423451 is a wasteful number, since it uses less digits than its factorization.

1012423451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512261.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1012423451 is about 31818.6022791700. The cubic root of 1012423451 is about 1004.1241185976.

Adding to 1012423451 its reverse (1543242101), we get a palindrome (2555665552).

The spelling of 1012423451 in words is "one billion, twelve million, four hundred twenty-three thousand, four hundred fifty-one".

Divisors: 1 13 31 403 2512217 32658821 77878727 1012423451