Search a number
-
+
3781408308108 = 2232811121414089
BaseRepresentation
bin110111000001101101011…
…111111011101110001100
3111101111110211212012201120
4313001231133323232030
5443423311011324413
612013053251240540
7540124552166544
oct67015537735614
914344424765646
103781408308108
111228760455152
12510a41ba9150
1321577bacbb52
14d104200c324
156856a751723
hex3706d7fbb8c

3781408308108 has 24 divisors (see below), whose sum is σ = 8854685654640. Its totient is φ = 1255983778560.

The previous prime is 3781408308103. The next prime is 3781408308109. The reversal of 3781408308108 is 8018038041873.

It is not an unprimeable number, because it can be changed into a prime (3781408308103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560703673 + ... + 560710416.

It is an arithmetic number, because the mean of its divisors is an integer number (368945235610).

Almost surely, 23781408308108 is an apocalyptic number.

It is an amenable number.

3781408308108 is an abundant number, since it is smaller than the sum of its proper divisors (5073277346532).

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

3781408308108 is a wasteful number, since it uses less digits than its factorization.

3781408308108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121414377 (or 1121414375 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 3781408308108 in words is "three trillion, seven hundred eighty-one billion, four hundred eight million, three hundred eight thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 281 562 843 1124 1686 3372 1121414089 2242828178 3364242267 4485656356 6728484534 13456969068 315117359009 630234718018 945352077027 1260469436036 1890704154054 3781408308108