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121649030 = 2512164903
BaseRepresentation
bin1110100000000…
…11011110000110
322110220102002122
413100003132012
5222120232110
620023205542
73004666616
oct720033606
9273812078
10121649030
1162738798
12348a68b2
131c283699
1412228a46
15aa2e255
hex7403786

121649030 has 8 divisors (see below), whose sum is σ = 218968272. Its totient is φ = 48659608.

The previous prime is 121649029. The next prime is 121649069. The reversal of 121649030 is 30946121.

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

It is a Curzon number.

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, 6082442 + ... + 6082461.

It is an arithmetic number, because the mean of its divisors is an integer number (27371034).

Almost surely, 2121649030 is an apocalyptic number.

121649030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121649030 is a deficient number, since it is larger than the sum of its proper divisors (97319242).

121649030 is a wasteful number, since it uses less digits than its factorization.

121649030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12164910.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 121649030 is about 11029.4619089056. The cubic root of 121649030 is about 495.4915092107.

The spelling of 121649030 in words is "one hundred twenty-one million, six hundred forty-nine thousand, thirty".

Divisors: 1 2 5 10 12164903 24329806 60824515 121649030