Search a number
-
+
2031150156 = 2237225713441
BaseRepresentation
bin111100100010000…
…1110010001001100
312020112222010012120
41321010032101030
513124433301111
6533314332540
7101222330400
oct17104162114
95215863176
102031150156
119525931a2
1248828a150
13264a629c9
14153a87100
15bd4b7406
hex7910e44c

2031150156 has 72 divisors (see below), whose sum is σ = 5534985456. Its totient is φ = 578027520.

The previous prime is 2031150139. The next prime is 2031150181. The reversal of 2031150156 is 6510511302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144396 + ... + 157836.

It is an arithmetic number, because the mean of its divisors is an integer number (76874798).

Almost surely, 22031150156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031150156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2767492728).

2031150156 is an abundant number, since it is smaller than the sum of its proper divisors (3503835300).

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

2031150156 is a wasteful number, since it uses less digits than its factorization.

2031150156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13719 (or 13710 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 2031150156 is about 45068.2832599601. The cubic root of 2031150156 is about 1266.4285040993.

Adding to 2031150156 its reverse (6510511302), we get a palindrome (8541661458).

The spelling of 2031150156 in words is "two billion, thirty-one million, one hundred fifty thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 257 294 514 588 771 1028 1542 1799 3084 3598 5397 7196 10794 12593 13441 21588 25186 26882 37779 40323 50372 53764 75558 80646 94087 151116 161292 188174 282261 376348 564522 658609 1129044 1317218 1975827 2634436 3454337 3951654 6908674 7903308 10363011 13817348 20726022 24180359 41452044 48360718 72541077 96721436 145082154 169262513 290164308 338525026 507787539 677050052 1015575078 2031150156