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121421114000 = 245360710557
BaseRepresentation
bin111000100010101000…
…0110010101010010000
3102121102001020200102022
41301011100302222100
53442132301122000
6131440255511012
711525633303624
oct1610520625220
9377361220368
10121421114000
11475490650aa
121b647828468
13b5b0749324
145c3bd93184
153259b1b585
hex1c45432a90

121421114000 has 40 divisors (see below), whose sum is σ = 293596258488. Its totient is φ = 48568444800.

The previous prime is 121421113969. The next prime is 121421114021. The reversal of 121421114000 is 411124121.

It can be written as a sum of positive squares in 4 ways, for example, as 25935169936 + 95485944064 = 161044^2 + 309008^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 121421114000.

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, 30353279 + ... + 30357278.

Almost surely, 2121421114000 is an apocalyptic number.

121421114000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121421114000 is an abundant number, since it is smaller than the sum of its proper divisors (172175144488).

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

121421114000 is an equidigital number, since it uses as much as digits as its factorization.

121421114000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60710580 (or 60710564 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121421114000 its reverse (411124121), we get a palindrome (121832238121).

The spelling of 121421114000 in words is "one hundred twenty-one billion, four hundred twenty-one million, one hundred fourteen thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 60710557 121421114 242842228 303552785 485684456 607105570 971368912 1214211140 1517763925 2428422280 3035527850 4856844560 6071055700 7588819625 12142111400 15177639250 24284222800 30355278500 60710557000 121421114000