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121031402 = 2199304099
BaseRepresentation
bin1110011011011…
…00101011101010
322102202000212112
413031230223222
5221441001102
620002042322
72666515142
oct715545352
9272660775
10121031402
1162356758
12346493a2
131c0c851b
1412107922
15a95b252
hex736caea

121031402 has 8 divisors (see below), whose sum is σ = 182460000. Its totient is φ = 60211404.

The previous prime is 121031399. The next prime is 121031429. The reversal of 121031402 is 204130121.

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

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, 151652 + ... + 152447.

It is an arithmetic number, because the mean of its divisors is an integer number (22807500).

Almost surely, 2121031402 is an apocalyptic number.

121031402 is a deficient number, since it is larger than the sum of its proper divisors (61428598).

121031402 is a wasteful number, since it uses less digits than its factorization.

121031402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304300.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 121031402 is about 11001.4272710408. The cubic root of 121031402 is about 494.6515276868.

Adding to 121031402 its reverse (204130121), we get a palindrome (325161523).

The spelling of 121031402 in words is "one hundred twenty-one million, thirty-one thousand, four hundred two".

Divisors: 1 2 199 398 304099 608198 60515701 121031402