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BaseRepresentation
bin111100010101000…
…001100100010100
32121112112021002210
4330111001210110
54033102110104
6244233433420
734040041215
oct7425014424
92545467083
101012144404
1147a369087
12242b6b870
131318ccb1b
14985cd40c
155dcce989
hex3c541914

1012144404 has 12 divisors (see below), whose sum is σ = 2361670304. Its totient is φ = 337381464.

The previous prime is 1012144387. The next prime is 1012144429. The reversal of 1012144404 is 4044412101.

Adding to 1012144404 its reverse (4044412101), we get a palindrome (5056556505).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42172672 + ... + 42172695.

Almost surely, 21012144404 is an apocalyptic number.

It is an amenable number.

1012144404 is an abundant number, since it is smaller than the sum of its proper divisors (1349525900).

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

1012144404 is a wasteful number, since it uses less digits than its factorization.

1012144404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84345374 (or 84345372 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1012144404 is about 31814.2170106385. The cubic root of 1012144404 is about 1004.0318569491.

The spelling of 1012144404 in words is "one billion, twelve million, one hundred forty-four thousand, four hundred four".