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42923881540 = 22519314188873
BaseRepresentation
bin100111111110011101…
…100111010001000100
311002210102212002221101
4213332131213101010
51200402003202130
631415143425444
73046456654531
oct477635472104
9132712762841
1042923881540
1117227459571
12839b155284
134080a65397
142112a3bd88
1511b35421ca
hex9fe767444

42923881540 has 96 divisors (see below), whose sum is σ = 100335191040. Its totient is φ = 15357081600.

The previous prime is 42923881531. The next prime is 42923881589. The reversal of 42923881540 is 4518832924.

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, 438544 + ... + 527416.

It is an arithmetic number, because the mean of its divisors is an integer number (1045158240).

Almost surely, 242923881540 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 42923881540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50167595520).

42923881540 is an abundant number, since it is smaller than the sum of its proper divisors (57411309500).

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

42923881540 is a wasteful number, since it uses less digits than its factorization.

42923881540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88973 (or 88971 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 42923881540 in words is "forty-two billion, nine hundred twenty-three million, eight hundred eighty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 19 20 31 38 41 62 76 82 95 124 155 164 190 205 310 380 410 589 620 779 820 1178 1271 1558 2356 2542 2945 3116 3895 5084 5890 6355 7790 11780 12710 15580 24149 25420 48298 88873 96596 120745 177746 241490 355492 444365 482980 888730 1688587 1777460 2755063 3377174 3643793 5510126 6754348 7287586 8442935 11020252 13775315 14575172 16885870 18218965 27550630 33771740 36437930 52346197 55101260 69232067 72875860 104692394 112957583 138464134 209384788 225915166 261730985 276928268 346160335 451830332 523461970 564787915 692320670 1046923940 1129575830 1384641340 2146194077 2259151660 4292388154 8584776308 10730970385 21461940770 42923881540