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3780030551261 = 30484712399763
BaseRepresentation
bin110111000000011011011…
…000001101010011011101
3111101100220211100220122012
4313000123120031103131
5443413000310120021
612012304433201005
7540045452354666
oct67003330152335
914340824326565
103780030551261
111228113779028
12510718700165
132155bc53a803
14d0d5104a36d
15684d980235b
hex3701b60d4dd

3780030551261 has 4 divisors (see below), whose sum is σ = 3780043255872. Its totient is φ = 3780017846652.

The previous prime is 3780030551251. The next prime is 3780030551293. The reversal of 3780030551261 is 1621550300873.

3780030551261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3780030551261 - 26 = 3780030551197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780030551251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5895035 + ... + 6504728.

It is an arithmetic number, because the mean of its divisors is an integer number (945010813968).

Almost surely, 23780030551261 is an apocalyptic number.

It is an amenable number.

3780030551261 is a deficient number, since it is larger than the sum of its proper divisors (12704611).

3780030551261 is a wasteful number, since it uses less digits than its factorization.

3780030551261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12704610.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 3780030551261 in words is "three trillion, seven hundred eighty billion, thirty million, five hundred fifty-one thousand, two hundred sixty-one".

Divisors: 1 304847 12399763 3780030551261