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52020515020 = 225113157271541
BaseRepresentation
bin110000011100101010…
…100001000011001100
311222021101202222011111
4300130222201003030
51323014222440040
635521540101404
73521055040045
oct603452410314
9158241688144
1052020515020
1120075251981
12a0b9694864
134ba054aa46
142736c098cc
151546e5adea
hexc1caa10cc

52020515020 has 96 divisors (see below), whose sum is σ = 111526845696. Its totient is φ = 20379340800.

The previous prime is 52020514991. The next prime is 52020515023. The reversal of 52020515020 is 2051502025.

It is a super-2 number, since 2×520205150202 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52020514982 and 52020515000.

It is not an unprimeable number, because it can be changed into a prime (52020515023) 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, 96155950 + ... + 96156490.

It is an arithmetic number, because the mean of its divisors is an integer number (1161737976).

Almost surely, 252020515020 is an apocalyptic number.

It is an amenable number.

52020515020 is an abundant number, since it is smaller than the sum of its proper divisors (59506330676).

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

52020515020 is a wasteful number, since it uses less digits than its factorization.

52020515020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The spelling of 52020515020 in words is "fifty-two billion, twenty million, five hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 20 113 157 226 271 314 452 541 542 565 628 785 1082 1084 1130 1355 1570 2164 2260 2705 2710 3140 5410 5420 10820 17741 30623 35482 42547 61133 61246 70964 84937 85094 88705 122266 122492 146611 153115 169874 170188 177410 212735 244532 293222 305665 306230 339748 354820 424685 425470 586444 611330 612460 733055 849370 850940 1222660 1466110 1698740 2932220 4807811 9597881 9615622 16567043 19195762 19231244 23017927 24039055 33134086 38391524 46035854 47989405 48078110 66268172 82835215 92071708 95978810 96156220 115089635 165670430 191957620 230179270 331340860 460358540 2601025751 5202051502 10404103004 13005128755 26010257510 52020515020