Search a number
-
+
312101272234812 = 2231361179111066931
BaseRepresentation
bin100011011110110101011110…
…1011101110010101100111100
31111221001120221021121020222010
41012331222331131302230330
5311401431401143003222
63023441202313451220
7122511400321341354
oct10675527535625474
91457046837536863
10312101272234812
1190499451793255
122b007398710b10
131051c04006a3a8
14570dad4409b64
15261370c52280c
hex11bdabd772b3c

312101272234812 has 48 divisors (see below), whose sum is σ = 728812747885824. Its totient is φ = 103951416672000.

The previous prime is 312101272234727. The next prime is 312101272234943. The reversal of 312101272234812 is 218432272101213.

It is a super-3 number, since 3×3121012722348123 (a number of 44 digits) contains 333 as substring.

It is a congruent number.

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, 291988987 + ... + 293055917.

It is an arithmetic number, because the mean of its divisors is an integer number (15183598914288).

Almost surely, 2312101272234812 is an apocalyptic number.

It is an amenable number.

312101272234812 is an abundant number, since it is smaller than the sum of its proper divisors (416711475651012).

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

312101272234812 is a wasteful number, since it uses less digits than its factorization.

312101272234812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086210 (or 1086208 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 312101272234812 in words is "three hundred twelve trillion, one hundred one billion, two hundred seventy-two million, two hundred thirty-four thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 1361 2722 4083 5444 8166 16332 17911 35822 53733 71644 107466 214932 1066931 2133862 3200793 4267724 6401586 12803172 24376871 48753742 73130613 97507484 146261226 292522452 1452093091 2904186182 4356279273 5808372364 8712558546 17425117092 19109801141 38219602282 57329403423 76439204564 114658806846 229317613692 26008439352901 52016878705802 78025318058703 104033757411604 156050636117406 312101272234812