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3121414040 = 235112969119
BaseRepresentation
bin1011101000001100…
…1111111110011000
322001112111021002102
42322003033332120
522343040222130
61233422422532
7140231403323
oct27203177630
98045437072
103121414040
111361a58628
12731431a48
133a98b4c74
15134078645
hexba0cff98

3121414040 has 32 divisors (see below), whose sum is σ = 7029504000. Its totient is φ = 1247441664.

The previous prime is 3121414039. The next prime is 3121414061. The reversal of 3121414040 is 404141213.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10601 + ... + 79719.

It is an arithmetic number, because the mean of its divisors is an integer number (219672000).

Almost surely, 23121414040 is an apocalyptic number.

It is an amenable number.

3121414040 is an abundant number, since it is smaller than the sum of its proper divisors (3908089960).

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

3121414040 is a wasteful number, since it uses less digits than its factorization.

3121414040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70259 (or 70255 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3121414040 is about 55869.6164296839. The cubic root of 3121414040 is about 1461.4494331650.

Adding to 3121414040 its reverse (404141213), we get a palindrome (3525555253).

It can be divided in two parts, 31214 and 14040, that added together give a palindrome (45254).

The spelling of 3121414040 in words is "three billion, one hundred twenty-one million, four hundred fourteen thousand, forty".