Search a number
-
+
157244171000 = 23537191182287
BaseRepresentation
bin1001001001110001111…
…0111010001011111000
3120000212121122112022012
42102130132322023320
510034014001433000
6200123104145052
714234441254220
oct2223436721370
9500777575265
10157244171000
1160761265034
1226584908188
1311a9c336887
14787990b080
154154a7a735
hex249c7ba2f8

157244171000 has 128 divisors (see below), whose sum is σ = 442648627200. Its totient is φ = 51074755200.

The previous prime is 157244170969. The next prime is 157244171017. The reversal of 157244171000 is 171442751.

It is a congruent number.

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, 458144 + ... + 724143.

It is an arithmetic number, because the mean of its divisors is an integer number (3458192400).

Almost surely, 2157244171000 is an apocalyptic number.

157244171000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157244171000 is an abundant number, since it is smaller than the sum of its proper divisors (285404456200).

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

157244171000 is a wasteful number, since it uses less digits than its factorization.

157244171000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182334 (or 1182320 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The spelling of 157244171000 in words is "one hundred fifty-seven billion, two hundred forty-four million, one hundred seventy-one thousand".

Divisors: 1 2 4 5 7 8 10 14 19 20 25 28 35 38 40 50 56 70 76 95 100 125 133 140 152 175 190 200 250 266 280 350 380 475 500 532 665 700 760 875 950 1000 1064 1330 1400 1750 1900 2375 2660 3325 3500 3800 4750 5320 6650 7000 9500 13300 16625 19000 26600 33250 66500 133000 1182287 2364574 4729148 5911435 8276009 9458296 11822870 16552018 22463453 23645740 29557175 33104036 41380045 44926906 47291480 59114350 66208072 82760090 89853812 112317265 118228700 147785875 157244171 165520180 179707624 206900225 224634530 236457400 295571750 314488342 331040360 413800450 449269060 561586325 591143500 628976684 786220855 827600900 898538120 1034501125 1123172650 1182287000 1257953368 1572441710 1655201800 2069002250 2246345300 2807931625 3144883420 3931104275 4138004500 4492690600 5615863250 6289766840 7862208550 8276009000 11231726500 15724417100 19655521375 22463453000 31448834200 39311042750 78622085500 157244171000