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121352153034 = 2377149198273
BaseRepresentation
bin111000100000100100…
…1101110011111001010
3102121020020111002202110
41301001021232133022
53442012122344114
6131425353443150
711524135165350
oct1610111563712
9377206432673
10121352153034
1147513143772
121b6287104b6
13b59c382718
145c32b617d0
153253a48759
hex1c4126e7ca

121352153034 has 64 divisors (see below), whose sum is σ = 281374248960. Its totient is φ = 34172624640.

The previous prime is 121352152991. The next prime is 121352153059. The reversal of 121352153034 is 430351253121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121352152992 and 121352153010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14664322 + ... + 14672594.

It is an arithmetic number, because the mean of its divisors is an integer number (4396472640).

Almost surely, 2121352153034 is an apocalyptic number.

121352153034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121352153034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140687124480).

121352153034 is an abundant number, since it is smaller than the sum of its proper divisors (160022095926).

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

121352153034 is a wasteful number, since it uses less digits than its factorization.

121352153034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13275.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 121352153034 in words is "one hundred twenty-one billion, three hundred fifty-two million, one hundred fifty-three thousand, thirty-four".

Divisors: 1 2 3 6 7 14 21 42 71 142 213 426 497 994 1491 2982 4919 8273 9838 14757 16546 24819 29514 34433 49638 57911 68866 103299 115822 173733 206598 347466 349249 587383 698498 1047747 1174766 1762149 2095494 2444743 3524298 4111681 4889486 7334229 8223362 12335043 14668458 24670086 40694887 81389774 122084661 244169322 284864209 569728418 854592627 1709185254 2889336977 5778673954 8668010931 17336021862 20225358839 40450717678 60676076517 121352153034