Search a number
-
+
51243910322 = 21117943714519
BaseRepresentation
bin101111101110011000…
…000000010010110010
311220021021110100210112
4233232120000102302
51314421420112242
635312514501322
73462605023313
oct575630002262
9156237410715
1051243910322
111a806940310
129b21594842
134aa8699837
1426a1a1060a
1514edba5c82
hexbee6004b2

51243910322 has 32 divisors (see below), whose sum is σ = 88801764480. Its totient is φ = 21918695680.

The previous prime is 51243910259. The next prime is 51243910331. The reversal of 51243910322 is 22301934215.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3522179 + ... + 3536697.

It is an arithmetic number, because the mean of its divisors is an integer number (2775055140).

Almost surely, 251243910322 is an apocalyptic number.

51243910322 is a deficient number, since it is larger than the sum of its proper divisors (37557854158).

51243910322 is a wasteful number, since it uses less digits than its factorization.

51243910322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23986.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 51243910322 in words is "fifty-one billion, two hundred forty-three million, nine hundred ten thousand, three hundred twenty-two".

Divisors: 1 2 11 17 22 34 187 374 9437 14519 18874 29038 103807 159709 160429 207614 246823 319418 320858 493646 1764719 2715053 3529438 5430106 137015803 274031606 1507173833 2329268651 3014347666 4658537302 25621955161 51243910322