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47672457140 = 225711303710193
BaseRepresentation
bin101100011001011111…
…111111011110110100
311120001101010202001202
4230121133333132310
51240113122112030
633522254112032
73305240125340
oct543137773664
9146041122052
1047672457140
111924394a710
1292a54ab618
1346597a3129
142443572620
151390382745
hexb197ff7b4

47672457140 has 96 divisors (see below), whose sum is σ = 124868507904. Its totient is φ = 14852597760.

The previous prime is 47672457139. The next prime is 47672457149. The reversal of 47672457140 is 4175427674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47672457149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4671884 + ... + 4682076.

It is an arithmetic number, because the mean of its divisors is an integer number (1300713624).

Almost surely, 247672457140 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 47672457140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62434253952).

47672457140 is an abundant number, since it is smaller than the sum of its proper divisors (77196050764).

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

47672457140 is a wasteful number, since it uses less digits than its factorization.

47672457140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13257 (or 13255 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 47672457140 in words is "forty-seven billion, six hundred seventy-two million, four hundred fifty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 3037 6074 10193 12148 15185 20386 21259 30370 33407 40772 42518 50965 60740 66814 71351 85036 101930 106295 112123 133628 142702 167035 203860 212590 224246 233849 285404 334070 356755 425180 448492 467698 560615 668140 713510 784861 935396 1121230 1169245 1427020 1569722 2242460 2338490 3139444 3924305 4676980 7848610 15697220 30956141 61912282 123824564 154780705 216692987 309561410 340517551 433385974 619122820 681035102 866771948 1083464935 1362070204 1702587755 2166929870 2383622857 3405175510 4333859740 4767245714 6810351020 9534491428 11918114285 23836228570 47672457140