Search a number
-
+
121448130 = 2354048271
BaseRepresentation
bin1110011110100…
…10011011000010
322110112012111220
413033102123002
5222042320010
620015015510
73003202116
oct717223302
9273465456
10121448130
1162610861
123480a596
131c2130cb
14121b5746
15a9de970
hex73d26c2

121448130 has 16 divisors (see below), whose sum is σ = 291475584. Its totient is φ = 32386160.

The previous prime is 121448113. The next prime is 121448147. The reversal of 121448130 is 31844121.

It is an interprime number because it is at equal distance from previous prime (121448113) and next prime (121448147).

It is a self number, because there is not a number n which added to its sum of digits gives 121448130.

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, 2024106 + ... + 2024165.

It is an arithmetic number, because the mean of its divisors is an integer number (18217224).

Almost surely, 2121448130 is an apocalyptic number.

121448130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121448130 is an abundant number, since it is smaller than the sum of its proper divisors (170027454).

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

121448130 is a wasteful number, since it uses less digits than its factorization.

121448130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048281.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 121448130 is about 11020.3507203718. The cubic root of 121448130 is about 495.2185954227.

The spelling of 121448130 in words is "one hundred twenty-one million, four hundred forty-eight thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4048271 8096542 12144813 20241355 24289626 40482710 60724065 121448130