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3781420362 = 234315314207
BaseRepresentation
bin1110000101100011…
…1110010101001010
3100202112102001120000
43201120332111022
530221020422422
61423120543430
7162464354106
oct34130762512
910675361500
103781420362
1116705710a5
12896481b76
13483560655
1427c2d6906
15171e9acac
hexe163e54a

3781420362 has 80 divisors (see below), whose sum is σ = 8912166912. Its totient is φ = 1196713440.

The previous prime is 3781420327. The next prime is 3781420373. The reversal of 3781420362 is 2630241873.

It is a happy number.

3781420362 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×37814203622 = 28598279908296422088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 259063 + ... + 273269.

Almost surely, 23781420362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3781420362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4456083456).

3781420362 is an abundant number, since it is smaller than the sum of its proper divisors (5130746550).

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

3781420362 is a wasteful number, since it uses less digits than its factorization.

3781420362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14305 (or 14296 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 3781420362 is about 61493.2546056883. The cubic root of 3781420362 is about 1557.9433177970.

The spelling of 3781420362 in words is "three billion, seven hundred eighty-one million, four hundred twenty thousand, three hundred sixty-two".

Divisors: 1 2 3 6 9 18 27 31 53 54 62 81 93 106 159 162 186 279 318 477 558 837 954 1431 1643 1674 2511 2862 3286 4293 4929 5022 8586 9858 14207 14787 28414 29574 42621 44361 85242 88722 127863 133083 255726 266166 383589 440417 752971 767178 880834 1150767 1321251 1505942 2258913 2301534 2642502 3963753 4517826 6776739 7927506 11891259 13553478 20330217 23342101 23782518 35673777 40660434 46684202 60990651 70026303 71347554 121981302 140052606 210078909 420157818 630236727 1260473454 1890710181 3781420362