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121074819 = 3229176237
BaseRepresentation
bin1110011011101…
…11010010000011
322102211020102120
413031313102003
5221443343234
620003015323
73000055545
oct715672203
9272736376
10121074819
1162386338
123466a543
131c112208
1412119695
15a969049
hex7377483

121074819 has 8 divisors (see below), whose sum is σ = 162138960. Its totient is φ = 80363616.

The previous prime is 121074817. The next prime is 121074823. The reversal of 121074819 is 918470121.

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

It is not a de Polignac number, because 121074819 - 21 = 121074817 is a prime.

It is a super-2 number, since 2×1210748192 = 29318223591765522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121074819.

It is not an unprimeable number, because it can be changed into a prime (121074817) 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, 87432 + ... + 88805.

It is an arithmetic number, because the mean of its divisors is an integer number (20267370).

Almost surely, 2121074819 is an apocalyptic number.

121074819 is a deficient number, since it is larger than the sum of its proper divisors (41064141).

121074819 is a wasteful number, since it uses less digits than its factorization.

121074819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176469.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 121074819 is about 11003.4003380773. The cubic root of 121074819 is about 494.7106685861.

The spelling of 121074819 in words is "one hundred twenty-one million, seventy-four thousand, eight hundred nineteen".

Divisors: 1 3 229 687 176237 528711 40358273 121074819